Word chams with one letter changed

Letter on position 1 (c) changed: 2 words

shams
whams

Letter on position 2 (h) changed: 2 words

clams
crams

Letter on position 3 (a) changed: 1 word

chums

Letter on position 4 (m) changed: 10 words

Letter on position 5 (s) changed: 1 word

champ