Definition, Singular and Plural Examples in Nouns

Noun is a word used to name abstract people, things, animals, places and concepts.
Countable nouns (countable nouns) can be divided into singular nouns (singular) and plural nouns (plural). Nouns in the singular can generally be changed to the plural with the following rules:

1. By adding "s":

2. By changing "f" or "fe" to "ves"

3. By changing "y" to "ies" if "y" is preceded by a consonant letter

4. Irregular Noun

Sources