lake vs lentic

lake is a noun but lentic is not a noun.

Word	Noun	Adjective	Verb	Adverb
lake	Yes	No	No	No
lentic	No	Yes	No	No

lake (noun)	lentic (noun)
a body of (usually fresh) water surrounded by land
any of numerous bright translucent organic pigments
a purplish red pigment prepared from lac or cochineal

lake (adjective)	lentic (adjective)
	of or relating to or living in still waters (as lakes or ponds)