Allege and Testify

Allege verb - To state as a fact usually forcefully.

Testify is a synonym for allege in speech topic. In some cases you can use "Testify" instead a verb "Allege", when it comes to topics like claim, say, assert.

Testify verb - To make a solemn declaration under oath for the purpose of establishing a fact.

Allege is a synonym for testify in say topic. You can use "Allege" instead a verb "Testify".