Fanatics rhymes with:
acrobatics, aerobatics, attics, automatics, batiks, charismatics, democratic's, democratics, dramatics, informatics, klezmatics, mathematics, numismatics, pneumatics, systematics, telematics
Fanatics sounds like:
fanatic, fantasia, fantasies, fantasize, fantasizes, fantasy, fantozzi, fends, fiendish, fiends, finds, fonda's, fondues, fontes, fonts, fuentes, fuentez, fund's, funds, funds'