finis vs conclusion

finis and conclusion both are nouns.

Word	Noun	Adjective	Verb	Adverb
finis	Yes	No	No	No
conclusion	Yes	No	No	No

As nouns, finis and conclusion are synonyms defined as:

Other synonyms of finis include close, finale, finish, last, stopping point.

finis (noun)	conclusion (noun)
the concluding part of any performance	the act of ending something
the temporal end; the concluding time	the act of making up your mind about something
	a position or opinion or judgment reached after consideration
	an intuitive assumption
	the last section of a communication
	the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)
	a final settlement
	event whose occurrence ends something
	the temporal end; the concluding time