vein vs bonanza

vein and bonanza both are nouns.

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

As nouns, bonanza is a hyponym of vein; that is, bonanza is a word with a more specific, narrower meaning than vein:

vein (noun)	bonanza (noun)
one of the horny ribs that stiffen and support the wing of an insect	a sudden happening that brings good fortune (as a sudden opportunity to make money)
a blood vessel that carries blood from the capillaries toward the heart	an especially rich vein of precious ore
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)	bonanza (verb)
make a veinlike pattern