I saw a spelling mistake on an SO question: submittion. That got me wondering, is there a name for the shift of ‑mit‑ to ‑miss‑ in submission, permission, admission and so on? Are there other patterns ...
Why does the plural form of "life" is "lives", while the plural form of "still life" is "still lifes"? From Wikipedia: A still life (plural still lifes) is a work of art depicting mostly ...