umlaut /ŭmˈlowt/

1. A vowel change in Germanic languages brought about by a vowel or semivowel (esp i or j, usu now lost) in the following syllable
2. The diacritical sign (¨), dots placed over a vowel, indicating such a modification

To modify (a vowel) with an umlaut

• def.
• deface
• defaced
• defacement
• defacements
• defacer
• defacers
• defaces
• defacing
• defacingly
• de facto
• defaecate
• defalcate
• defalcated
• defalcates
• defalcating
• defalcation
• defalcations
• defalcator
• defalcators
• defamation
• defamations
• defamatorily
• defamatory
• defame