Here's what rhymes with sluggishnes.
Words that almost rhyme with sluggishnes
logins muggins flushes bludgeons muggings puffins rubbings salines nubbins judges buses brushes cuttings fluxes crutches lunches trusses comings crushes grudges gushes nothings buzzes drudges lunges maces nudges pluses smudges aspirins buskins fusses rustlings trudges truncheons flophouses fudges plusses unbinds budges drubbings musses punkins shushes fuzzes susses wusses pulses couplings plunges punches bulges sulphides ducklings hunches hustings gulches sucklings buckskins buntings crunches dustbins mulches adjudges brunches cuspidors munches upswings vocatives ablatives cruxes rebuses curmudgeons scrunches thumpings munchkins airbuses klutzes putzes rejudges dumplings entices repulses influxes misjudges begrudges prejudges rhombuses ingresses analogise indulges divulges appositives transitives expunges iambuses keypunches nimbuses contuses nonplusses nonpluses minibuses subjunctives convulses trolleybuses incubuses muskellunges consumptives overindulges