Is catch a common noun or proper noun?

The word "catch" can be either a common noun or a verb, depending on the context in which it is used.

As a common noun, "catch" refers to the act of capturing or seizing something, or to something that is caught. For example:

- The fisherman threw his net to catch some fish.

- She made a great catch when she bought that house for a low price.

As a verb, "catch" means to seize or capture something, to become affected by a disease or condition, or to reach or arrive at a place. For example:

- The cat quickly caught the mouse.

- He caught a cold from his sick child.

- We caught the train just as it was leaving the station.

Therefore, "catch" is a common noun when it refers to the act of capturing or seizing something, or to something that is caught. It is a verb when it means to seize or capture something, to become affected by a disease or condition, or to reach or arrive at a place.