Synonyms of flounder

1 Syllable
slosh, fail, squirm, squirms, botch, plod, plop, fails, slog, sank, slop, toil, sunk, thrash, sink, lurch, toss, flop
2 Syllables
slopped, labor, strive, flummox, failed, groping, wobble, lurched, wobbled, stumble, slogging, lurching, botching, stumbled, squirmed, squirming, snafu, bobble, lurches, grope, plunge, sloshes, totter, tumble, grabble, plopping, pratfall, fumbled, totters, falter, mired, fumbling, fumble, misfield, grabbling, flopped, plopped, slogged, groped, plodded, blunder, muddle, botched, stumbling, plodding, slopping, falters, sloshing, flopping, travail, wallow
3 Syllables
misfired, weltered, blundering, wallowed, weltering, faltered, tottered, faltering, misfire, wallowing, misfiring
4 Syllables
miscompute, hesitate, hesitated
6 Syllables
miscommunication