trend vs gravitation

trend and gravitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
trend	Yes	No	Yes	No
gravitation	Yes	No	No	No

As nouns, gravitation is a hyponym of trend; that is, gravitation is a word with a more specific, narrower meaning than trend:

Other hyponyms of trend include evolutionary trend.

trend (noun)	gravitation (noun)
a general tendency to change (as of opinion)	a figurative movement toward some attraction
the popular taste at a given time	movement downward resulting from gravitational attraction
general line of orientation	(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
a general direction in which something tends to move

trend (verb)	gravitation (verb)
turn sharply; change direction abruptly
to be temporarily popular