Go to war and Tug

Go to war verb - Commence hostilities.

Tug and go to war are semantically related. in fight topic. In some cases you can use "Tug" instead a verb phrase "Go to war", when it comes to topics like engage in physical encounter.

Tug verb - To cause to follow by applying steady force on.

Go to war and tug are semantically related. Sometimes you can use "Go to war" instead a verb "Tug".