tranche vs percentage

tranche and percentage both are nouns.

Word	Noun	Adjective	Verb	Adverb
tranche	Yes	No	No	No
percentage	Yes	No	No	No

As nouns, percentage is a hypernym of tranche; that is, percentage is a word with a broader meaning than tranche:

tranche: a portion of something (especially money)
percentage: assets belonging to or due to or contributed by an individual person or group

Other hypernyms of tranche include part, portion, share.

tranche (noun)	percentage (noun)
a portion of something (especially money)	assets belonging to or due to or contributed by an individual person or group
	a proportion in relation to a whole (which is usually the amount per hundred); ten percent