tidal flow vs eager

tidal flow and eager both are nouns.

Word	Noun	Adjective	Verb	Adverb
tidal flow	Yes	No	No	No
eager	Yes	Yes	No	No

As nouns, eager is a hyponym of tidal flow; that is, eager is a word with a more specific, narrower meaning than tidal flow:

tidal flow: the water current caused by the tides
eager: a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

Other hyponyms of tidal flow include aegir, bore, eagre, tidal bore.

tidal flow (noun)	eager (noun)
the water current caused by the tides	a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

tidal flow (adjective)	eager (adjective)
	having or showing keen interest or intense desire or impatient expectancy