Word perve with one letter changed

Letter on position 1 (p) changed: 4 words

Letter on position 2 (e) changed: 1 word

parve

Letter on position 3 (r) changed: 1 word

peeve

Letter on position 4 (v) changed: 2 words

perce
perse

Letter on position 5 (e) changed: 1 word

pervs