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