Word solus with one letter changed

Letter on position 1 (s) changed: 2 words

bolus
tolus

Letter on position 2 (o) changed: 1 word

sulus

Letter on position 3 (l) changed: 1 word

sorus

Letter on position 4 (u) changed: 4 words

Letter on position 5 (s) changed: 1 word

solum