Synonyms For "Fool" :

1 syllable:

chump, cod, dupe, gull, mark, mug, sap, shoot, slang

2 syllables:

befool, fall guy, fritter, jester, muggins, patsy, put on, saphead, soft touch, sucker, take in, tomfool

3 syllables:

arse around, dissipate

4 syllables:

frivol away