Letter on position 2 (t) changed: 4 words scales shales spales swales Letter on position 3 (a) changed: 4 words steles stiles stoles styles Letter on position 4 (l) changed: 9 words stades stages stakes stanes stapes stares stases states staves Letter on position 5 (e) changed: 2 words stalks stalls Letter on position 6 (s) changed: 2 words staled staler