Westcorp rhymes with:
bankcorp, citicorp, commercebancorp, deltacorp, dyncorp, equiticorp, francorp, gencorp, healthcorp, infocorp, intellicorp, intercorp, mcorp, metrocorp, newscorp, nucorp, pennbancorp, penncorp, petrocorp, unibancorp, unicorp, usbancorp, wespercorp, worldcorp