Here's what rhymes with illitis.
situs vitas detritus arthritis nephritis bronchitis gastritis keratitis thyroiditis urethritis hepatitis dermatitis encephalitis cholangitis pharyngitis laryngitis meningitis stomatitis pancreatitis osteoarthritis pyelonephritis glomerulonephritis Words that almost rhyme with illitis
righteous unrighteous sanitise arborvitaes lightness rightness wryness crisis bias license virus minus pious sinus brightness licence likeness riots dryness lifeless thymus whiteness gyrus highness phthisis shyness tightness typhus primus sightless flightless slyness lineups slightness triteness taigas science silence alliance reliance climates desirous fibrous pilots pirates impious politeness priceless timeless cypress privates guileless stylus uprightness faience hydrous vileness aliveness guiltiness niceness showiness wifeless pileups spryness clients guidance kindness blindness defiance giants triumphs appliance childless tyrants mildness mindless obeisance wildness spineless unlikeness quiets graininess faultiness impoliteness silents heists shininess spinets playact tininess beefiness braininess cyclopes dewiness droopiness pallidness randiness dopiness snowiness windups brininess daffiness playacts titlists migrants alignments anhydrous connivance indictments excitements hydrants forthrightness incitements proprietress handiness misalliance tridents contriteness sandiness alinements crispiness compliance assignments contrivance refinements homozygous omniscience unkindness retirements retrovirus suppliants enticements disquiets misguidance autopilots requirements subsidence heterozygous acquirements adenovirus neuroscience realignments pseudoscience reassignments concupiscence consignments chastisements confinements colorblindness advertisements noncompliance advertizements cytomegalovirus