Avouch and Contend

Avouch verb - To state as a fact usually forcefully.

Contend and avouch are semantically related in assert topic. In some cases you can use "Contend" instead a verb "Avouch", when it comes to topics like affirm.

Contend verb - To state (something) as a reason in support of or against something under consideration.

Avouch and contend are semantically related in affirm topic. Sometimes you can use "Avouch" instead a verb "Contend".