Verify
Part of speech: verb
Definition: To substantiate or prove the truth of something To confirm or test the truth or accuracy of something To affirm something formally, under oath
Example sentence: Have you ever seen people so ugly that you have to get someone else to verify it?
Swear
Part of speech: noun
Definition: A swearword.
Part of speech: verb
Definition: To take an oath.To use offensive language.
Example sentence: Working out is incredibly boring. I swear it's true that the bigger your muscles get, the fewer brain cells you have.