coat vs waterproofing

coat and waterproofing both are nouns.

Word	Noun	Adjective	Verb	Adverb
coat	Yes	No	Yes	No
waterproofing	Yes	No	No	No

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

coat (noun)	waterproofing (noun)
growth of hair or wool or fur covering the body of an animal	the act of treating something to make it repel water
an outer garment that has sleeves and covers the body from shoulder down; worn outdoors	a coating capable of making a surface waterproof
a thin layer covering something

coat (verb)	waterproofing (verb)
cover or provide with a coat
put a coat on; cover the surface of; furnish with a surface
form a coat over