bonanza vs vein

bonanza and vein both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonanza	Yes	No	No	No
vein	Yes	No	Yes	No

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

Other hypernyms of bonanza include mineral vein.

bonanza (noun)	vein (noun)
a sudden happening that brings good fortune (as a sudden opportunity to make money)	one of the horny ribs that stiffen and support the wing of an insect
an especially rich vein of precious ore	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

bonanza (verb)	vein (verb)
	make a veinlike pattern