Potluck rhymes with:
awestruck, dumbstruck, dumptruck, fishbach, megabuck, moonstruck, naugatuck, raybuck, roebuck, starbuck, starstruck, thunderstruck, woodchuck
Potluck sounds like:
paddles, padlock, padlocks, pathologies, pathology, patlex, patlex's, pedals, peddles, petals, piddles, pitiless, podleska, podolak, podolski, podolsky, poodles, potholes, puddles