Frederick rhymes with:
frederic, fredric, fredrich, fredrick, frederic, fredric, fredrich, fredrick, cedric, dedrick, edric, fedrick, frederic, fredric, fredrich, fredrick, headrick, hedrich, hedrick, pedrick, shedrick, tedrick
Frederick sounds like:
fortier's, fortress, fortresses, forwarders, frederic, frederica, frederick's, fredericka, fredericks, frederico, frederika, fredric, fredrich, fredrick, fredricks, fridrich, friederich, friederike, friedrich, friedrichs, friedrick, furthers