precession vs precede

precession is a noun but precede is not a noun.

Word	Noun	Adjective	Verb	Adverb
precession	Yes	No	No	No
precede	No	No	Yes	No

precession (noun)	precede (noun)
the act of preceding in time or order or rank (as in a ceremony)
the motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone

precession (verb)	precede (verb)
	furnish with a preface or introduction
	move ahead (of others) in time or space
	be the predecessor of
	be earlier in time; go back further
	come before