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

• field meetings
• fieldmice
• fieldmouse
• field mushroom
• field naturalist
• field naturalists
• field night
• field nights
• herbivorous
• herbivory
• herbless
• herblet
• herblets
• herb-of-grace
• herb-of-repentance
• herborisation
• herborisations
• herborise
• herborised
• herborises
• herborising
• herborist
• herborists
• herborization
• herborizations