Letter on position 1 (s) changed: 11 words boot coot foot hoot loot moot poot root toot woot zoot Letter on position 2 (o) changed: 7 words scot shot slot snot spot stot swot Letter on position 3 (o) changed: 3 words soft sort sout Letter on position 4 (t) changed: 5 words sook sool soom soon soop