priming vs primer

priming and primer both are nouns.

Word	Noun	Adjective	Verb	Adverb
priming	Yes	No	No	No
primer	Yes	No	No	No

As nouns, priming and primer are synonyms defined as:

priming and primer: any igniter that is used to initiate the burning of a propellant

Other synonyms of priming include fuse, fusee, fuze, fuzee.

As nouns, priming and primer are synonyms defined as:

priming and primer: the first or preliminary coat of paint or size applied to a surface

Other synonyms of priming include flat coat, ground, primer coat, priming coat, undercoat.

priming (noun)	primer (noun)
the act of making something ready	any igniter that is used to initiate the burning of a propellant
any igniter that is used to initiate the burning of a propellant	the first or preliminary coat of paint or size applied to a surface
the first or preliminary coat of paint or size applied to a surface	an introductory textbook