ache, aching, air a grievance, angina, backache, beef, beefing, bellyaching, bitch, bitching, cephalalgia, clamor, colic, collywobbles, complain, complaining, complaint, crab, croak, destructive criticism, dissent, earache, faultfinding, fret, fret and fume, fuss, gnawing, grievance, gripe, gripes, griping, groan, groaning, grouch, grouse, grousing, growl, grumble, grumbling, grunt, gut-ache, headache, heartburn, hemicrania, holler, howl, kick, kicking, lodge a complaint, megrim, migraine, murmur, murmuring, mutter, odontalgia, otalgia, peeve, peevishness, pet peeve, petulance, protest, pyrosis, querulousness, raise a howl, register a complaint, scolding, sick headache, sniping, splitting headache, squawk, squawking, stomachache, take on, throbbing pain, toothache, whining, yap, yapping, yelp