tributary vs distributary

tributary and distributary both are nouns.

Word	Noun	Adjective	Verb	Adverb
tributary	Yes	Yes	No	No
distributary	Yes	No	No	No

tributary (noun)	distributary (noun)
a branch that flows into the main stream	a branch of a river that flows away from the main stream and does not rejoin it

tributary (adjective)	distributary (adjective)
tending to bring about; being partly responsible for
paying tribute
(of a stream) flowing into a larger stream