guiding vs leading

guiding is not a noun while leading is a noun.

Word	Noun	Adjective	Verb	Adverb
guiding	No	Yes	No	No
leading	Yes	Yes	No	No

guiding (noun)	leading (noun)
	thin strip of metal used to separate lines of type in printing
	the activity of leading

guiding (adjective)	leading (adjective)
exerting control or influence	going or proceeding or going in advance; showing the way
showing the way by conducting or leading; imposing direction on	greatest in importance or degree or significance or achievement
	having the leading position or higher score in a contest
	indicating the most important performer or role