Copse and cops are different words with a different meaning; they are both nouns and pronouns.
Cops are the singular form of cops; it means a policeman; it also stands for a third person singular form for a cop-out.
Here are a few examples of sentences using cops
whenever she is given anything, she always cop-out at the last minutes.
The six embassies in Mumbai are heavily policed by cops.
Cops are usually in uniform, but they usually disguise with plain clothes.
Two cops rushed to helped the pregnant woman that collapsed.
The cops in the united kingdom and other few countries don’t always carry guns.
A copse is the thickest of bushes or a small stand of trees; it is smaller than a forest. A copse tree provides a good hiding place. Here are sentences using a copse.