I'm majoring in poli sci.

I found a group of roly-polies under the rock.

I found a group of roly-polys under the rock.

Poly-harmony is a musical technique that involves the simultaneous use of multiple harmonies.

Poly-rhythms are complex musical patterns that involve multiple rhythms played simultaneously.

Poly-rhythm is a complex rhythmic pattern that involves multiple beats or rhythms played simultaneously.

Poly-harmonies are a beautiful combination of multiple harmonies.

I am majoring in poly sci.

Cal Poly is a prestigious university located in San Luis Obispo, California.

I used to love playing with my poly pockets when I was a kid.