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

• kettledrummers
• kettledrums
• kettleful
• kettlefuls
• kettle-holder
• kettle-holders
• kettle hole
• kettle holes
• kettle-pins
• kettles
• kettlestitch
• kettlestitches
• kettling
• Ketubah
• Keuper
• keV
• kevel
• Kevlar
• kewpie doll
• kewpie dolls
• kex
• kexes
• key
• keyboard
• keyboarded