Join forces and Stick together

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

Stick together and join forces are semantically related in aid topic. In some cases you can use "Stick together" instead a verb phrase "Join forces", when it comes to topics like unite, combine, cooperate.

Stick together verb - Be loyal to one another, especially in times of trouble.

Join forces and stick together are semantically related in aid topic. Sometimes you can use "Join forces" instead a verb "Stick together", if it concerns topics such as unite, combine, cooperate.