Here's what rhymes with callosus.
ptosis cirrhosis neurosis meiosis fibrosis necrosis sclerosis acidosis psychosis mitosis scoliosis halitosis prognosis thrombosis hypnosis apotheosis cyanosis amyloidosis diagnosis apoptosis arteriosus symbiosis aponeurosis sarcoidosis psychoneurosis phagocytosis leukocytosis erythematosus mononucleosis hydronephrosis metempsychosis misdiagnosis arteriosclerosis Words that almost rhyme with callosus
doses poses atrocious ferocious sofas novas cosmoses noshes moshes precocious pavlovas imposes mimosas samosas reimposes supernovas superimposes locus lotus loess lowness focus notice bonus hostess slowness bogus bolus foetus modus polis poetess crocus bolas colas coronas togas roebucks goalless cloacas poets hopeless homeless rodents locusts doughnuts poultice proneness soulless boneless cupolas grownups refocus donuts kopeks toneless hotness blowups docents drollness moments boldness coldness dichotomous remoteness embolus nobleness sarcomas smokeless cacophonous gladiolus holdups foments pianolas opponents condolence weaponless elopements snowbanks sobriquets violists components proponents exponents enrollments enrolments quotients deponents chiropodists honeylocusts encroachments cosmogonists enthronements postponements