underlay vs printing

underlay and printing both are nouns.

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

underlay (noun)	printing (noun)
a pad placed under a carpet	the business of producing printed material for sale or distribution
	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

underlay (verb)	printing (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