The plural form of this word is potatoes.

Because potato is an English word ending with "O", so to become plural, you need to add "es" instead of "s". Potato means potato, potato.

The plural form is usually formed by adding the suffix "s" after the singular form. The main changes are as follows: Generally, add s at the end of the word, with s, x, ch, sh, and for words ending with es, with For nouns ending in ce, se, ze, (d) ge add s, and for words ending with a consonant plus y, change "y" to "i" and add es; most words ending with o add es, but at the end of the word For words with two vowels, just add s, but for words with two vowels at the end, just add s.