Welker rhymes with:
delker, felker, kelker, bolker, delker, felker, hilker, kelker, kilker, mulcare, spilker, voelker, volcker, volker, wilker
Welker sounds like:
walcher, waligora, walizer, walker, walkure, walser, walzer, welcher, welser, wheelchair, wilcher, wilker, wilshire, wollaeger, wuliger