flood tide vs ebbtide

flood tide and ebbtide both are nouns.

Word	Noun	Adjective	Verb	Adverb
flood tide	Yes	No	No	No
ebbtide	Yes	No	No	No

flood tide (noun)	ebbtide (noun)
the occurrence of incoming water (between a low tide and the following high tide)	the tide while water is flowing out
the highest point of anything conceived of as growing or developing or unfolding