Accreditation rhymes with:
meditation, premeditation, meditation, premeditation, agitation, amputation, annotation, cohabitation, commutation, computation, connotation, dilatation, equitation, facilitation, habitation, hesitation, imitation, imputation, inhabitation, meditation, misinterpretation, palpitation, premeditation, prestidigitation, recitation, rehabilitation, reinterpretation, reputation, sanitation, vegetation, visitation
Accreditation sounds like:
accordion, accretion, ageratum, agerton, ascertain, assertion