Broderick rhymes with:
dederick, diederich, friederich, friederike, honderich, alaric, berberich, butterick, choleric, cyanuric, dederick, diederich, dieterich, emerich, emerick, emmerich, friederich, friederike, garverick, giegerich, gingerich, gregorich, helmerich, hemmerich, honderich, kanarek, kasparek, kasperek, kauzlarich, klapperich, leverich, limerick, maverick, millerick, minarik, pekarek, phosphoric, puskarich, rhetoric, safarik
Broderick sounds like:
bardrick, birders, boarders, border's, borders, breeders, breeders', broadrick, broder's, broderick's, brodrick, brother's, brothers, brothers', brothers's