What is a contraction that homophone for possessive pronoun?

The contraction it's is a homophone for the possessive pronoun its.

* It's is a contraction of "it is" or "it has".

* Its shows possession, meaning "belonging to it".

Example:

* It's a beautiful day. (This sentence uses the contraction "it's".)

* The dog wagged its tail. (This sentence uses the possessive pronoun "its".)