Letter on position 1 (f) changed: 6 words daces laces maces paces races taces Letter on position 2 (a) changed: 3 words feces fices fyces Letter on position 3 (c) changed: 9 words fades fakes fames fanes fares fates faves faxes fazes Letter on position 4 (e) changed: 1 word facts Letter on position 5 (s) changed: 3 words faced facer facet