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

• chasm
• chasmal
• chasmed
• chasmic
• chasmier
• chasmiest
• chasmogamic
• chasmogamies
• chasmogamy
• chasms
• chasmy
• chasse
• chasse-café
• chassepot
• chassepots
• chasses
• chasseur
• chasseurs
• Chassid
• Chassidic
• Chassidism
• chassis
• chassé
• chassé-croisé
• chasséed