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