printing vs underlay

printing and underlay both are nouns.

Word	Noun	Adjective	Verb	Adverb
printing	Yes	No	No	No
underlay	Yes	No	Yes	No

printing (noun)	underlay (noun)
the business of producing printed material for sale or distribution	a pad placed under a carpet
reproduction by applying ink to paper as for publication
text handwritten in the style of printed matter
all the copies of a work printed at one time

printing (verb)	underlay (verb)
	provide with a base, support, lining, or backing
	put (something) under or beneath
	raise or support (the level of printing) by inserting a piece of paper or cardboard under the type