diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
index dabc307..7dfbea3 100644
--- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
@@ -1460,7 +1460,7 @@
             return "";
         }
         final Locale locale = SubtypeLocale.getSubtypeLocale(subtype);
-        return StringUtils.capitalizeFirstCharacter(locale.getLanguage(), locale);
+        return StringUtils.capitalizeFirstCodePoint(locale.getLanguage(), locale);
     }
 
     // Get InputMethodSubtype's middle display name in its locale.
diff --git a/java/src/com/android/inputmethod/latin/CapsModeUtils.java b/java/src/com/android/inputmethod/latin/CapsModeUtils.java
index 1012cd5..4b8d1ac 100644
--- a/java/src/com/android/inputmethod/latin/CapsModeUtils.java
+++ b/java/src/com/android/inputmethod/latin/CapsModeUtils.java
@@ -41,7 +41,7 @@
         if (WordComposer.CAPS_MODE_AUTO_SHIFT_LOCKED == capitalizeMode) {
             return s.toUpperCase(locale);
         } else if (WordComposer.CAPS_MODE_AUTO_SHIFTED == capitalizeMode) {
-            return StringUtils.toTitleCase(s, locale);
+            return StringUtils.capitalizeFirstCodePoint(s, locale);
         } else {
             return s;
         }
diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index 4de104a..11ef60d 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -106,16 +106,17 @@
         }
     }
 
-    public static String capitalizeFirstCharacter(final String s, final Locale locale) {
+    public static String capitalizeFirstCodePoint(final String s, final Locale locale) {
         if (s.length() <= 1) {
             return s.toUpperCase(locale);
         }
-        // Please refer to the comment below in {@link #toTitleCase(String,Locale)}.
+        // Please refer to the comment below in
+        // {@link #capitalizeFirstAndDowncaseRest(String,Locale)} as this has the same shortcomings
         final int cutoff = s.offsetByCodePoints(0, 1);
         return s.substring(0, cutoff).toUpperCase(locale) + s.substring(cutoff);
     }
 
-    public static String toTitleCase(final String s, final Locale locale) {
+    public static String capitalizeFirstAndDowncaseRest(final String s, final Locale locale) {
         if (s.length() <= 1) {
             return s.toUpperCase(locale);
         }
diff --git a/java/src/com/android/inputmethod/latin/SubtypeLocale.java b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
index ae9cd8b..4d88ecc 100644
--- a/java/src/com/android/inputmethod/latin/SubtypeLocale.java
+++ b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
@@ -183,7 +183,7 @@
             final Locale locale = LocaleUtils.constructLocaleFromString(localeString);
             displayName = locale.getDisplayName(displayLocale);
         }
-        return StringUtils.capitalizeFirstCharacter(displayName, displayLocale);
+        return StringUtils.capitalizeFirstCodePoint(displayName, displayLocale);
     }
 
     // InputMethodSubtype's display name in its locale.
@@ -243,7 +243,7 @@
                 }
             }
         };
-        return StringUtils.capitalizeFirstCharacter(
+        return StringUtils.capitalizeFirstCodePoint(
                 getSubtypeName.runInLocale(sResources, displayLocale), displayLocale);
     }
 
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index 975664d..6464bd0 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -394,7 +394,7 @@
         if (isAllUpperCase) {
             sb.append(wordInfo.mWord.toUpperCase(locale));
         } else if (isFirstCharCapitalized) {
-            sb.append(StringUtils.toTitleCase(wordInfo.mWord, locale));
+            sb.append(StringUtils.capitalizeFirstCodePoint(wordInfo.mWord, locale));
         } else {
             sb.append(wordInfo.mWord);
         }
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index fbed139..2d0a89b 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -330,7 +330,7 @@
                 } else if (StringUtils.CAPITALIZE_FIRST == capitalizeType) {
                     for (int i = 0; i < mSuggestions.size(); ++i) {
                         // Likewise
-                        mSuggestions.set(i, StringUtils.toTitleCase(
+                        mSuggestions.set(i, StringUtils.capitalizeFirstCodePoint(
                                 mSuggestions.get(i).toString(), locale));
                     }
                 }
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
index b150632..96b2c81 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
@@ -226,7 +226,7 @@
         // If the lower case version is not in the dictionary, it's still possible
         // that we have an all-caps version of a word that needs to be capitalized
         // according to the dictionary. E.g. "GERMANS" only exists in the dictionary as "Germans".
-        return dict.isValidWord(StringUtils.toTitleCase(lowerCaseText, mLocale));
+        return dict.isValidWord(StringUtils.capitalizeFirstAndDowncaseRest(lowerCaseText, mLocale));
     }
 
     // Note : this must be reentrant
diff --git a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
index 864e78f..850af94 100644
--- a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
@@ -113,7 +113,7 @@
             final String subtypeName = SubtypeLocale.getSubtypeDisplayName(subtype);
             final Locale locale = SubtypeLocale.getSubtypeLocale(subtype);
             final String spacebarText = MainKeyboardView.getShortDisplayName(subtype);
-            final String languageCode = StringUtils.capitalizeFirstCharacter(
+            final String languageCode = StringUtils.capitalizeFirstCodePoint(
                     locale.getLanguage(), locale);
             if (SubtypeLocale.isNoLanguage(subtype)) {
                 assertEquals(subtypeName, "", spacebarText);
diff --git a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
index 9760f0b..5810abb 100644
--- a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
@@ -93,23 +93,43 @@
                 StringUtils.removeFromCsvIfExists("key", "key1,key,key3,key,key5"));
     }
 
-    public void testToTitleCase() {
+
+    public void testCapitalizeFirstCodePoint() {
         assertEquals("SSaa",
-                StringUtils.toTitleCase("ßaa", Locale.GERMAN));
+                StringUtils.capitalizeFirstCodePoint("ßaa", Locale.GERMAN));
         assertEquals("Aßa",
-                StringUtils.toTitleCase("aßa", Locale.GERMAN));
+                StringUtils.capitalizeFirstCodePoint("aßa", Locale.GERMAN));
         assertEquals("Iab",
-                StringUtils.toTitleCase("iab", Locale.ENGLISH));
-        assertEquals("Camelcase",
-                StringUtils.toTitleCase("cAmElCaSe", Locale.ENGLISH));
+                StringUtils.capitalizeFirstCodePoint("iab", Locale.ENGLISH));
+        assertEquals("cAmElCaSe",
+                StringUtils.capitalizeFirstCodePoint("cAmElCaSe", Locale.ENGLISH));
         assertEquals("İab",
-                StringUtils.toTitleCase("iab", new Locale("tr")));
+                StringUtils.capitalizeFirstCodePoint("iab", new Locale("tr")));
+        assertEquals("AİB",
+                StringUtils.capitalizeFirstCodePoint("AİB", new Locale("tr")));
+        assertEquals("A",
+                StringUtils.capitalizeFirstCodePoint("a", Locale.ENGLISH));
+        assertEquals("A",
+                StringUtils.capitalizeFirstCodePoint("A", Locale.ENGLISH));
+    }
+
+    public void testCapitalizeFirstAndDowncaseRest() {
+        assertEquals("SSaa",
+                StringUtils.capitalizeFirstAndDowncaseRest("ßaa", Locale.GERMAN));
+        assertEquals("Aßa",
+                StringUtils.capitalizeFirstAndDowncaseRest("aßa", Locale.GERMAN));
+        assertEquals("Iab",
+                StringUtils.capitalizeFirstAndDowncaseRest("iab", Locale.ENGLISH));
+        assertEquals("Camelcase",
+                StringUtils.capitalizeFirstAndDowncaseRest("cAmElCaSe", Locale.ENGLISH));
+        assertEquals("İab",
+                StringUtils.capitalizeFirstAndDowncaseRest("iab", new Locale("tr")));
         assertEquals("Aib",
-                StringUtils.toTitleCase("AİB", new Locale("tr")));
+                StringUtils.capitalizeFirstAndDowncaseRest("AİB", new Locale("tr")));
         assertEquals("A",
-                StringUtils.toTitleCase("a", Locale.ENGLISH));
+                StringUtils.capitalizeFirstAndDowncaseRest("a", Locale.ENGLISH));
         assertEquals("A",
-                StringUtils.toTitleCase("A", Locale.ENGLISH));
+                StringUtils.capitalizeFirstAndDowncaseRest("A", Locale.ENGLISH));
     }
 
     public void testGetCapitalizationType() {