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