vein vs geological formation

vein and geological formation both are nouns.

Word	Noun	Adjective	Verb	Adverb
vein	Yes	No	Yes	No
geological formation	Yes	No	No	No

As nouns, geological formation is a hypernym of vein; that is, geological formation is a word with a broader meaning than vein:

Other hypernyms of vein include formation.

vein (noun)	geological formation (noun)
one of the horny ribs that stiffen and support the wing of an insect	(geology) the geological features of the earth
a blood vessel that carries blood from the capillaries toward the heart
a distinctive style or manner
a layer of ore between layers of rock
any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ

vein (verb)	geological formation (verb)
make a veinlike pattern