Word houfs with one letter changed

Letter on position 1 (h) changed: 1 word

poufs

Letter on position 2 (o) changed: 1 word

haufs

Letter on position 3 (u) changed: 2 words

hoofs
howfs

Letter on position 4 (f) changed: 2 words

hours
houts

Letter on position 5 (s) changed: 1 word

houff