repression vs repress

repression is a noun but repress is not a noun.

Word	Noun	Adjective	Verb	Adverb
repression	Yes	No	No	No
repress	No	No	Yes	No

repression (noun)	repress (noun)
the act of repressing; control by holding down
(psychiatry) the classical defense mechanism that protects you from impulses or ideas that would cause anxiety by preventing them from becoming conscious
a state of forcible subjugation

repression (verb)	repress (verb)
	block the action of
	put out of one's consciousness
	suppress in order to conceal or hide
	put down by force or intimidation
	impede or hinder the natural development or self-expression of