Join forces and Peg down

Join forces verb - Work together on a common enterprise or project.

Peg down and join forces are semantically related. In some cases you can use "Peg down" instead a verb phrase "Join forces".

Peg down verb - Fasten or secure with a wooden pin.

Join forces and peg down are semantically related. Sometimes you can use "Join forces" instead a verb "Peg down".