sealing vs waterproofing

sealing and waterproofing both are nouns.

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

As nouns, sealing and waterproofing are synonyms defined as:

sealing and waterproofing: the act of treating something to make it repel water

sealing (noun)	waterproofing (noun)
the act of treating something to make it repel water	the act of treating something to make it repel water
	a coating capable of making a surface waterproof