reactionary vs conservative

reactionary and conservative both are nouns.

Word	Noun	Adjective	Verb	Adverb
reactionary	Yes	Yes	No	No
conservative	Yes	Yes	No	No

As nouns, conservative is a hypernym of reactionary; that is, conservative is a word with a broader meaning than reactionary:

Other hypernyms of reactionary include conservativist.

reactionary (noun)	conservative (noun)
an extreme conservative; an opponent of progress or liberalism	a person who is reluctant to accept changes and new ideas

reactionary (adjective)	conservative (adjective)
opposed to political or social liberalism or reform	resistant to change, particularly in relation to politics or religion
	unimaginatively conventional
	conforming to the standards and conventions of the middle class
	avoiding excess
	having social or political views favoring conservatism