Here's what rhymes with cellulitis.

Consider these alternatives

folliculitis / diverticulitis mastitis / religious septicemia / anemia toxoplasmosis / tuberculosis keratosis / tuberculosis necrotizing / rising ulcerations / relations hypopituitarism / given esophagitis / religious fasciitis / myofasciitis etiology / quality atopy / study periodontitis / religious cystitis / religious ulceration / operation myotonic / chronic