contour line vs isometric

contour line and isometric both are nouns.

Word	Noun	Adjective	Verb	Adverb
contour line	Yes	No	No	No
isometric	Yes	Yes	No	No

As nouns, isometric is a hypernym of contour line; that is, isometric is a word with a broader meaning than contour line:

Other hypernyms of contour line include isometric line.

contour line (noun)	isometric (noun)
a line drawn on a map connecting points of equal height	a line connecting isometric points

contour line (adjective)	isometric (adjective)
	of or involving muscular contraction in which tension increases while length remains constant
	related by an isometry
	of a crystal system characterized by three equal axes at right angles
	having equal dimensions or measurements