THESAURUS
croak
air a grievance, aphonia, apprehend, artificial voice, beef, belch, bellyache, bitch, blare, blast, blat, blot out, bode, bray, broken speech, broken tones, broken voice, bump off, burr, buy it, buzz, cackle, call, carol, cash in, caw, chatter, check in, check out, cheep, childish treble, chirk, chirp, chirr, chirrup, chitter, choked voice, chuck, clack, clamor, clang, clangor, clank, clash, cluck, cock-a-doodle-doo, complain, conk, coo, crab, cracked voice, craunch, cronk, crow, crump, crunch, cuckoo, die, do in, drawl, drop off, drum, dysarthria, dyslalia, dyslogia, dysphasia, dysphonia, dysphrasia, erase, expire, falsetto, fix, forebode, forewarn, fret, fret and fume, fuss, gabble, gaggle, get, give the business, go west, gobble, grind, gripe, groan, grouch, grouse, growl, grumble, grunt, guggle, gun down, harshness, have a premonition, have a presentiment, have it, hawking voice, hiss, hit, hoarseness, holler, honk, hoo, hoot, howl, ice, idioglossia, idiolalia, impairment of speech, jangle, jar, kick, kick in, kick off, kick the bucket, knock off, lay out, lisp, lisping, lodge a complaint, look black, loss of voice, lower, menace, mince, murmur, mutter, muzzy speech, nasal tone, nasalization, off, pass, pass away, pass out, peep, peg out, pip, pipe, pipe off, polish off, pop off, portend, preapprehend, quack, quarrel, quaver, raise a howl, rasp, register a complaint, roll, rub out, scold, scranch, scrape, scratch, scrunch, settle, shake, shove off, sibilation, sing, snarl, snore, speech defect, speech impediment, squawk, step off, take care of, take on, talk incoherently, threaten, tremor, trill, twang, tweet, twit, twitter, warble, warn, waste, whistle, wipe out, yap, yelp, zap
ROGET THESAURUS
croak
Stammering
VB
stammer, stutter, hesitate, falter, hammer, balbutiate, balbucinate, haw, hum and haw, be unable to put two words together, mumble, mutter, maud, mauder, whisper, mince, lisp, jabber, gibber, sputter, splutter, muffle, mump, drawl, mouth,
croak, speak thick, speak through the nose, snuffle, clip one's words, murder the language, murder the King's English, murder the Queen's English, mispronounce, missay.
Warning
VB
warn, caution, forewarn, prewarn, admonish, premonish, give notice, give warning, dehort, menace, put on one's guard, sound the alarm,
croak, beware, ware, take warning, take heed at one's peril, keep watch and ward.
Discontent
VB
be discontented, quarrel with one's bread and butter, repine, regret, wish one at the bottom of the Red Sea, take on, take to heart, shrug the shoulders, make a wry face, pull a long face, knit one's brows, look blue, look black, look black as thunder, look blank, look glum, take in bad part, take ill, fret, chafe, make a piece of work, grumble,
croak, lament, cause discontent, dissatisfy, disappoint, mortify, put out, disconcert, cut up, dishearten.
Lamentation
VB
lament, mourn, deplore, grieve, weep over, bewail, bemoan, condole with, fret, wear mourning, go into mourning, put on mourning, wear the willow, wear sackcloth and ashes, infandum renovare dolorem, give sorrow words, sigh, give a sigh, heave, fetch a sigh, waft a sigh from Indus to the pole, sigh 'like a furnace', wail, cry, weep, sob, greet, blubber, pipe, snivel, bibber, whimper, pule, pipe one's eye, drop tears, shed tears, drop a tear, shed a tear, melt into tears, burst into tears, fondre en larmes, cry oneself blind, cry one's eyes out, yammer, scream, mew, groan, moan, whine, roar, roar like a bull, bellow like a bull, cry out lustily, rend the air, frown, scowl, make a wry face, gnash one's teeth, wring one's hands, tear one's hair, beat one's breast, roll on the ground, burst with grief, complain, murmur, mutter, grumble, growl, clamor, make a fuss about,
croak, grunt, maunder, deprecate, cry out before one is hurt, complain without cause.
Ululation
VB
cry, roar, bellow, blare, rebellow, growl, snarl, bark, bow-wow, yelp, bay, bay at the moon, yap, yip, yipe, growl, yarr, yawl, snarl, howl, grunt, gruntle, snort, squeak neigh, whinny, bray, mew, mewl, meow, purr, caterwaul, pule, baa, bleat, low, moo, troat,
croak, peep, coo, gobble, quack, honk, gaggle, guggle, crow, caw, squawk, screech cackle, cluck, clack, chuck, chuckle, hoot, hoo, chirp, cheep, chirrup, twitter, cuckoo, warble, trill, tweet, pipe, whistle, hum, buzz, hiss, blatter, ratatat.