Klecker rhymes with:
blecher, blecker, baecker, becher, becker, beker, bekker, blecher, blecker, brecher, brecker, checker, decker, dekker, dequeker, doubledecker, ecker, fecher, haecker, hecker, hekker, necker, pecor, pekar, quebecker, recker, schaecher, secor, smrekar, specker, sprecher, stecher, stecker, strecker, swecker, trecker, wecker, wrecker, zecher
Klecker sounds like:
kelker, kilgore, kilgour, kilker, killgore, kilzer, klauser, kluger, koelzer, kolesar, kolker, kulzer