pigeonhole vs stereotype

pigeonhole and stereotype both are nouns.

Word	Noun	Adjective	Verb	Adverb
pigeonhole	Yes	No	Yes	No
stereotype	Yes	No	Yes	No

As verbs, pigeonhole and stereotype are synonyms defined as:

pigeonhole and stereotype: treat or classify according to a mental stereotype

Other synonyms of pigeonhole include stamp.

pigeonhole (noun)	stereotype (noun)
a small compartment	a conventional or formulaic conception or image
a specific (often simplistic) category

pigeonhole (verb)	stereotype (verb)
treat or classify according to a mental stereotype	treat or classify according to a mental stereotype
place into a small compartment