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

• soothsaid
• soothsay
• soothsayer
• soothsayers
• soothsaying
• soothsayings
• soothsays
• sootier
• sootiest
• sootily
• sootiness
• sootinesses
• sooting
• sootless
• soots
• sooty
• sooty mould
• sop
• sop.
• SOP
• soph
• sopheric
• sopherim
• Sophi
• sophism