Letter on position 1 (r) changed: 9 words coms doms homs moms noms ooms poms soms toms Letter on position 2 (o) changed: 4 words rams rems rims rums Letter on position 3 (m) changed: 8 words robs rocs rods roes roks roos rots rows Letter on position 4 (s) changed: 2 words roma romp