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

• invite
• invited
• invitee
• invitees
• invitement
• invitements
• inviter
• inviters
• invites
• inviting
• invitingly
• invitingness
• invitingnesses
• invitings
• in vitro
• in vitro fertilization
• in vitro transcription
• in vitro translation
• in vivo
• invocation
• invocations
• invocatory
• in voice
• invoice
• invoiced