What part of speech is disguise?

"Disguise" can be a few different parts of speech depending on how it's used in a sentence:

* Noun: A way of altering one's appearance to deceive someone.

* Verb: To change one's appearance so as to deceive someone.

Here are some examples:

Noun: "He used a clever disguise to sneak into the party."

Verb: "She disguised herself as a waiter to avoid being recognized."