Plurals Ending In Es. In english, we mostly form the plural of a noun by adding 's'. It's not quite as arbitrary as it may seem.
If a word ends in anything other than an s preceded by an unstressed vowel, add either s or es to the end of the word so that it does.
This category contains english plurals formed in one of two ways: In which cases does a word have a plural ending with es, but the singular doesn't end with e? When do you add ‑s and when do you add ‑es to make a plural noun? If a word ends in anything other than an s preceded by an unstressed vowel, add either s or es to the end of the word so that it does.