crackdown vs suppression

crackdown and suppression both are nouns.

Word	Noun	Adjective	Verb	Adverb
crackdown	Yes	No	No	No
suppression	Yes	No	No	No

As nouns, suppression is a hypernym of crackdown; that is, suppression is a word with a broader meaning than crackdown:

Other hypernyms of crackdown include crushing, quelling, stifling.

crackdown (noun)	suppression (noun)
severely repressive actions	the act of withholding or withdrawing some book or writing from publication or circulation
	forceful prevention; putting down by power or authority
	(psychology) the conscious exclusion of unacceptable thoughts or desires
	the failure to develop some part or organ