Word gulps with one letter changed

Letter on position 1 (g) changed: 1 word

pulps

Letter on position 2 (u) changed: 1 word

golps

Letter on position 3 (l) changed: 1 word

gumps

Letter on position 4 (p) changed: 4 words

Letter on position 5 (s) changed: 2 words

gulph
gulpy