Answer:
- chiefs
- knives
- boxes
- ferries
- alumnae
- dishes
- wives
- tomatoes
- chimneys
- briefs
Step-by-step explanation:
The plural forms of some words keep their consonant endings and just add an an ess to the end of the word to make it plural. Other words require more than just the ess. Finally, some words derived from Latin that how singular vowel endings keep those vowel endings in the plural form, usually with another vowel added.