He stands pat on his decision.

He is standing pat on his decision.

He stood pat on his decision and refused to change his mind.

He gave her a friendly back pat.

He gave her a back-pat for her hard work.

He always likes to back-pat his colleagues for their hard work.

I stepped on a cow-pat while walking in the field.

I stepped on several cow-pats while walking through the field.

He took pat leave to spend time with his newborn.

I had to do it on my Pat Malone.