Comfinance rhymes with:
abstinence, chrominance, countenance, dissonance, dominance, eminence, governance, immanence, imminence, incontinence, luminance, maintenance, ordinance, ordnance, penance, permanence, predominance, preeminence, prominence, provenance, resonance, sustenance
Comfinance sounds like:
campanis, camping, champion's, championing, champions, chimpanzee, chimpanzees, chomping, combines, combing, combining, comeuppance, companies, companies', companies's, companions, company's, confines, confining, connivance, conniving, convenes, convenience, conveniences, convening, conveyance, conveying, convince, convinces