Wilkens rhymes with:
milken's, milkens, milkens', balkans, falcons, milken's, milkens, milkens', vulcan's, vulcans
Wilkens sounds like:
walk-ons, walking, walkinshaw, welcomes, welcoming, wellcome's, welshans, wholesomeness, wilczynski, wilkening, wilking, wilkins, wilson's, wolkanczik, wolkanczik's