deltoid vs unsubdivided

deltoid is a noun but unsubdivided is not a noun.

Word	Noun	Adjective	Verb	Adverb
deltoid	Yes	Yes	No	No
unsubdivided	No	Yes	No	No

deltoid (noun)	unsubdivided (noun)
a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm

deltoid (adjective)	unsubdivided (adjective)
triangular or suggesting a capital delta, with a point at the apex	(botany) of leaf shapes; of leaves having no divisions or subdivisions