ALTHOUGH
1 allthough
2 allthought
1 allthowghe
1 althoth
1 althothe
1 although
3 althoughe
1 althought
1 althowgh
14 althowghe
ENOUGH
2 inoughe
2 inought
3 inowghe
THOUGH
3 thoughe
1 thought*
1 thowgh
9 thowghe
1 thowght*
2 thowghte
*Also Oxford's spelling of "thought".
THROUGH
1 through
1 throughly
5 throught
1 throw
2 throwgh
11 throwghe
2 throwght