verify

Confir is likely misspelled.

Confir has no English definition.

As a verb verify

is to substantiate or prove the truth of something.

As verbs the difference between verify and guarantee

is that verify is to substantiate or prove the truth of something while guarantee is to assure that something will get done right.

As a noun guarantee is

anything that assures a certain outcome.

In transitive terms the difference between verify and evaluate

is that verify is to confirm or test the truth or accuracy of something while evaluate is to draw conclusions from examining; to assess.

As verbs the difference between verify and demonstrate

is that verify is to substantiate or prove the truth of something while demonstrate is to display the method of using an object.

As verbs the difference between verify and confire

is that verify is to substantiate or prove the truth of something while confire is to preserve (food).

As verbs the difference between testify and verify

is that testify is to make a declaration, or give evidence, under oath while verify is to substantiate or prove the truth of something.

As a verb verify

is to substantiate or prove the truth of something.

As an adjective verificative is

serving to verify or authenticate.

As verbs the difference between verify and circumstantiate

is that verify is to substantiate or prove the truth of something while circumstantiate is to describe, verify or prove by setting out circumstantial evidence.