apologia vs vindication

apologia and vindication both are nouns.

Word	Noun	Adjective	Verb	Adverb
apologia	Yes	No	No	No
vindication	Yes	No	No	No

As nouns, vindication is a hypernym of apologia; that is, vindication is a word with a broader meaning than apologia:

Other hypernyms of apologia include defence, defense.

apologia (noun)	vindication (noun)
a formal written defense of something you believe in strongly	the act of vindicating or defending against criticism or censure etc.
	the justification for some act or belief