3 Syllablesarthritis, bronchitis, colitis, cystitis, gastritis, glossitis, iritis, mastitis, mephitis, nephritis, neuritis, osteitis, phlebitis, rachitis, typhlitis
Now you can make multisyllabic rhymes in the new rhymit app :)
4 Syllablescephalitis, dermatitis, duodenitis, enteritis, gingivitis, hepatitis, laryngitis, meningitis, myocarditis, parotitis, pharyngitis, stomatitis, tonsillitis, tympanitis
5 Syllablesappendicitis, conjunctivitis, encephalitis, endocarditis, gastroenteritis, pericarditis, periostitis, peritonitis
6 Syllablespoliomyelitis