What is the Noun form of excuse?

The Word excuse is a noun as well as a verb.

The noun excuse (excuses) is a singular, common, abstract noun; a Word for a reason or explanation used to defend or justify a fault or offense; a Word for a thing.

The verb to excuse (excuses, excusing, excused) meaning to seek to defend or justify.

The noun forms for the verb to excuse are excuser, one who excuses, excusableness, and the gerund (verbal noun) excusing.

Example uses:

Noun: The excuse the girl gave did not satisfy the teacher.

Verb: Please excuse me from the meeting, I have an appointment with a client.