Synonyms of bellyacher

1 Syllable
crab, grouch, grump
2 Syllables
grouser, sulkers, gripers, grouches, crabbing, fusser, sourpuss, grouched, growler, crosspatch, grumbler, moaner, whiner, griper, sulker
3 Syllables
sniveler, curmudgeon, complainer, complainers, mutterers, mutterer, crybaby, faultfinder, sorehead