Here's what rhymes with functious.
rambunctious Words that almost rhyme with functious
fungus unctuous fulness luckless couscous fungous pashas ruckus justice substance compass buckets colourless duchess muskets oneness roughness sumptuous toughness baseness buttress dullness dulness lustrous numbness piteous rashness stasis bulbous justness lameness pumice talus cutlass hummocks loveless smugness tapas bumptious ductless dumbness magus rumpus buttocks wondrous bloodless cements couplets puppets stomachs cumbrous doublets nuggets alumnus effulgence buffets covets abundance judgments reluctance encompass inductance judgements trumpets robustness abruptness hundredths bluntness fistulous incubus numinous pedants adjustments circumference indulgence conductance neuritis repugnance abutments wantonness druggists resultants bibulous erogenous sibilants suitableness consultants incumbents remonstrance encumbrance unrighteousness incumbrance reasonableness readjustments superabundance unreasonableness