ebb vs reflux

ebb and reflux both are nouns.

Word	Noun	Adjective	Verb	Adverb
ebb	Yes	No	Yes	No
reflux	Yes	No	No	No

As nouns, ebb and reflux are synonyms defined as:

ebb (noun)	reflux (noun)
the outward flow of the tide	the outward flow of the tide
a gradual decline (in size or strength or power or number)	an abnormal backward flow of body fluids

ebb (verb)	reflux (verb)
fall away or decline
hem in fish with stakes and nets so as to prevent them from going back into the sea with the ebb
flow back or recede