cubic vs isometric

cubic is not a noun while isometric is a noun.

Word	Noun	Adjective	Verb	Adverb
cubic	No	Yes	No	No
isometric	Yes	Yes	No	No

cubic (noun)	isometric (noun)
	a line connecting isometric points

cubic (adjective)	isometric (adjective)
having the shape of a cube; having three dimensions	of or involving muscular contraction in which tension increases while length remains constant
involving the cube and no higher power of a quantity or variable	related by an isometry
	of a crystal system characterized by three equal axes at right angles
	having equal dimensions or measurements