| A | B |
|---|
| final "f" sound is heard in the plural; just add "s" | chiefs |
| final sound changes to "v" in the plural; change "f" to "v" and add "es" | elves |
| regular noun; just add "s" | experiments |
| noun ends in consonant blend; add "es" | witches |
| noun ends in special consonant; add "es" | foxes |
| noun ends in vowel then "o"; add "s" | rodeos |
| noun ends in consonant then "o"; add "es" | potatoes |
