Makes a sound like all doves and most coots (4)

I believe the answer is:

coos

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'makes a sound like all doves' is the first definition.
I know that 'doves' relates to this answer. I also know that both the answer and definition are verbs in their -s form

'most coots' is the second definition.
Although both the answer and definition are plural nouns, I cannot see how one could define the other.

'and' is the link.

Can you help me to learn more?

I've seen this clue in The Globe and Mail.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.