lacertilian vs lizard

lacertilian is not a noun while lizard is a noun.

Word	Noun	Adjective	Verb	Adverb
lacertilian	No	Yes	No	No
lizard	Yes	No	No	No

lacertilian (noun)	lizard (noun)
	relatively long-bodied reptile with usually two pairs of legs and a tapering tail
	a man who idles about in the lounges of hotels and bars in search of women who would support him

lacertilian (adjective)	lizard (adjective)
of or relating to lizards