Crowing rhymes with:
growing, rowing, throwing, bestowing, blowing, boeing, bowing, easygoing, flowing, foregoing, forgoing, glowing, going, growing, hoeing, knowing, lowing, owing, plateauing, rowing, sewing, showing, slowing, snowing, sowing, throwing, toeing, towing, undergoing, unknowing
Crowing sounds like:
caesareans, cairnes, cairns, careening, careens, careering, caring, carmack, carmike, carmouche, carnage, carnahan's, carnegie, carnegie's, carnegies, carnes, carns, carranco, carranza, carrian's, carrying, ceramic, ceramics, cerankosky, ceremonies, cermak, chairing, chairman's, charen's, charming, charms, charnock, charring, cheering, chermak, chernenko, chernick, chiarenza, chickering, chiron's, chrominance, chronic, chronis, churning, churns, chyron's, cochran's, coherence, corinn's, cormac, cormack, cormick, cornacchia, corneas, cornejo, cornhusk, cornhusks, corniche, cornick, corning, corning's, cornish, corns, corona's, cowering, crain's, crames, cramming, crams, crance, crane's, cranes, crank, cranks, cranky, crannies, crans, cranshaw, crayons, creams, cremeans, cremeens, crenshaw, crime's, crimes, crimmins, cringe, cringes, cronce, cronies, cronk, cronus, crooms, crooning, croons, crounse, crown's, crowning, crowns, crownx, crunch, crunches, crunchy, crunk, crying, crymes, curing, currence, currencies, currencies', currency, currency's, currens, currying, cyrenius, czarnecki, czarnik, czerniak, czerwinski, czerwonka