Words That Rhyme With "Thetis" :
2 syllables:
brattice, Cetus, cliquish, cotice, cotise, crepis, cutis, Edith, fetus, foetus, freakish, glottis, gratis, ketose, lattice, litas, Lotis, metis, notice, Otis, setose, sheatfish, sheepish, steepish, Swedish, sweetish, treatise, Vitus
3 syllables:
Admetus, arthritis, boletus, botrytis, bronchitis, burritos, bursitis, carditis, cheilitis, colitis, colpitis, cystitis, decretist, defeatist, elitists, gastritis, glossitis, iritis, mastitis, mephitis, metritis, Miletus, nephritis, neuritis, orchitis, otitis, phlebitis, proglottis, quietus, rachitis, rhinitis, scleritis, typhlitis, vulvitis
4 syllables:
aortitis, arteritis, blepharitis, cellulitis, cephalitis, cervicitis, choroiditis, coronitis, dermatitis, enteritis, Epictetus, epiglottis, fibrositis, gingivitis, haliotis, hepatitis, hypoglottis, ileitis, keratitis, laminitis, laryngitis, logopedics, lymphangitis, margaritas, mastoiditis, meningitis, myelitis, myosotis, ophthalmitis, orthopaedics, orthopedics, orthopedists, osteitis, ovaritis, pancarditis, parotitis, pharyngitis, pneumonitis, prostatitis, pyelitis, salpingitis, sclerotitis, serositis, sinusitis, stephanotis, stomatitis, synovitis, tenonitis, thyroiditis, tonsillitis, tracheitis, tympanitis, urethritis, uvulitis, vaginitis, valvulitis
5 syllables:
appendicitis, ascomycetous, cholecystitis, conjunctivitis, deciduitis, duodenitis, encephalitis, encyclopaedist, encyclopedist, endarteritis, endocarditis, endometritis, esophagitis, folliculitis, myocarditis, pancreatitis, paracystitis, pericarditis, periostitis, pyonephritis, radiculitis, thrombophlebitis
6 syllables:
aerosinusitis, diverticulitis, endoarteritis, enterocolitis, gastroenteritis, ileocolitis, iridocyclitis, osteoarthritis, periarteritis, polyarteritis, polyarthritis, polyneuritis, pyelonephritis, tenosynovitis
7 syllables:
actinodermatitis, basidiomycetous, enterohepatitis, glomerulonephritis, iridochoroiditis, osteomyelitis, poliomyelitis