Is a common noun same as pronoun?

No, a common noun and a pronoun are not the same thing. Here's why:

* Common Noun: A common noun refers to a general person, place, or thing. It's not specific.

* Examples: dog, city, table, happiness

* Pronoun: A pronoun is a word that takes the place of a noun. It avoids repetition and makes writing smoother.

* Examples: he, she, it, they, we, you, I, this, that

Here's an example to illustrate the difference:

* Common noun: The dog barked at the mailman.

* Pronoun: The dog barked at him. (The pronoun "him" replaces the noun "mailman")

In short: Common nouns name things, while pronouns stand in for nouns.