pair

A set of two similar things considered as a unit.

Two items of the same kind.

A poker hand with 2 cards of the same value.

Two people considered as a unit.

Arrange in pairs.

Form a pair or pairs.

“The two old friends paired off”

Engage in sexual intercourse.

Occur in pairs.

Bring two objects, ideas, or people together.

“The student was paired with a partner for collaboration on the project”