Synonyms For "Honk" :

1 syllable:

barf, beep, blare, cast, cat, chuck, cronk, puke, purge, retch, sick, spew, spue, toot

2 syllables:

be sick, claxon, disgorge, regorge, throw up, upchuck, vomit

3 syllables:

vomit up

4 syllables:

regurgitate