The cheetah has a thin elongated body and is said to be the fastest runner on earth.

Question

in the above sentence, runner is a noun or not

Answer 1

i think cheetah is the noun.

Answer 2

My question is 'runner' belongs to which parts of speech.

Answer 3

Runner is also a noun.

Sra

Answer 4

Adding -er turns run from a verb into a noun, a thing that runs. Adding -ing would also turn run into a noun, the thing you do when you run. If it is a person, place or thing it is a noun. If you can replace it with the word 'thing'. It is a noun. ...the fastest thing on earth...