tide vs tide over

tide is a noun but tide over is not a noun.

Word	Noun	Adjective	Verb	Adverb
tide	Yes	No	Yes	No
tide over	No	No	Yes	No

tide (noun)	tide over (noun)
the periodic rise and fall of the sea level under the gravitational pull of the moon
something that may increase or decrease (like the tides of the sea)
there are usually two high and two low tides each day

tide (verb)	tide over (verb)
rise or move forward	suffice for a period between two points
be carried with the tide
cause to float with the tide