Nilsen rhymes with:
nilson, nilsson, bilson, chilson, dilson, filson, gillson, gilson, hillson, hilson, jillson, milson, nilson, nilsson, philson, pilson, stillson, stilson, tillson, tilson, willson, wilson
Nilsen sounds like:
nealson, neilsen, neilson, nelligan, nelsen, nelson, nielsen, nielson, nihilism, nilson, nilsson, nonalign