This is the plushiest bed I have ever slept on.

This teddy bear is plushier than the one I had as a child.

She was non-plussed by his unexpected response.

Many students take the eleven pluses to get into selective schools.

She received A pluses in all her classes.

I had already finished my homework before she arrived.

Plusquamperfect

I have a collection of plush toys in my room.

I have a collection of plushes on my bed.

I bought a plush toy for my niece's birthday.