Communication's rhymes with:
clarifications, duplications, fabrications, justifications, publication's, publications, publications', syndications, allocations, altercations, amplifications, applications, authentications, certifications, clarifications, classifications, communications, communications', complications, demarcations, dislocations, diversifications, duplications, education's, educations, fabrications, fortifications, identifications, implications, indications, justifications, locations, magnifications, medications, modifications, notifications, pontifications, prognostications, provocations, publication's, publications, publications', qualifications, ramifications, relocations, revocations, specifications, syndications, telecommunications, telecommunications', vacations, vocations
Communication's sounds like:
coincidence, coincidences, coinciding, communicating, communications, communications', conceding, concocting, concoctions, conjugations, connecting, connections, consistence, consistency, consisting, constance, constancy, constituencies, constituency, constituting, constitution's, constitutions