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

• offer prices
• offers
• offertories
• offertory
• offer up
• of few words
• off-fore
• off-grid
• off guard
• offhand
• offhanded
• offhandedly
• offhandedness
• offhandednesses
• offhand grinding
• office
• office-bearer
• office-bearers
• office block
• office blocks
• office-book
• office-books
• office boy
• office boys
• office girl