dissect vs dissection

dissect is not a noun while dissection is a noun.

Word	Noun	Adjective	Verb	Adverb
dissect	No	No	Yes	No
dissection	Yes	No	No	No

dissect (noun)	dissection (noun)
	cutting so as to separate into pieces
	detailed critical analysis or examination one part at a time (as of a literary work)
	a minute and critical analysis

dissect (verb)	dissection (verb)
make a mathematical, chemical, or grammatical analysis of; break down into components or essential features
cut open or cut apart