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