replacing vs replace

replacing is a noun but replace is not a noun.

Word	Noun	Adjective	Verb	Adverb
replacing	Yes	No	No	No
replace	No	No	Yes	No

replacing (noun)	replace (noun)
the act of furnishing an equivalent person or thing in the place of another

replacing (verb)	replace (verb)
	substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)
	put something back where it belongs
	put in the place of another; switch seemingly equivalent items
	take the place or move into the position of