Grumble

"Grumble" in German

Gegrummel

(a high thundering, rumbling or growling sound)

Grummeln

(a high thundering, rumbling or growling sound)

Knurren

(the sound made by a hungry stomach)

murren

(to murmur or mutter with discontent)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.