chivalric vs medieval

chivalric and medieval both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chivalric	No	Yes	No	No
medieval	No	Yes	No	No

As adjectives, chivalric and medieval are synonyms defined as:

chivalric and medieval: characteristic of the time of chivalry and knighthood in the Middle Ages

Other synonyms of chivalric include knightly, mediaeval.

chivalric (adjective)	medieval (adjective)
characteristic of the time of chivalry and knighthood in the Middle Ages	relating to or belonging to the Middle Ages
	as if belonging to the Middle Ages; old-fashioned and unenlightened
	characteristic of the time of chivalry and knighthood in the Middle Ages