What are the words that to make pluras add es?

You're asking about the pluralization rule for adding "-es" to words. Here's a breakdown:

Words that add "-es" to make plurals:

* Words ending in "s," "x," "ch," "sh," or "z":

* bus - buses

* box - boxes

* church - churches

* bush - bushes

* buzz - buzzes

* Words ending in "y" preceded by a consonant:

* baby - babies

* fly - flies

* city - cities

* story - stories

* country - countries

Exceptions:

* Some words ending in "y" preceded by a consonant have irregular plural forms:

* baby - babies

* lady - ladies

* sky - skies

* fly - flies

* Some words ending in "y" preceded by a vowel form their plurals by simply adding "s":

* boy - boys

* toy - toys

* monkey - monkeys

Key Points:

* This "-es" rule helps maintain the pronunciation of the plural form.

* The rule ensures that the plural sounds distinct from the singular form.

Let me know if you'd like more examples or have other questions about pluralization!