Charitable rhymes with:
heritable, inheritable, irritable, attributable, creditable, disreputable, equitable, forfeitable, habitable, heritable, imitable, indomitable, inequitable, inevitable, inheritable, inhospitable, inimitable, irritable, marketable, palatable, profitable, reputable, uninhabitable, unpalatable
Charitable sounds like:
charitably, creatively, credible, credibly, creditable, creditably