Wilbur rhymes with:
wilber, silber, wilber, zilber, alber, elber, felber, gelber, halbur, helber, kelber, kolber, silber, steinhilber, wilber, wolber, zilber
Wilbur sounds like:
walbro, wallpaper, welfare, welliver, wheelbarrow, wilber, willpower, wolaver, wolber, wolfer, wolfrey, wolper, woolever