teardrop vs drib

teardrop and drib both are nouns.

Word	Noun	Adjective	Verb	Adverb
teardrop	Yes	No	No	No
drib	Yes	No	No	No

As nouns, drib is a hypernym of teardrop; that is, drib is a word with a broader meaning than teardrop:

teardrop: a drop of the clear salty saline solution secreted by the lacrimal glands
drib: a small indefinite quantity (especially of a liquid)

Other hypernyms of teardrop include driblet, drop.

teardrop (noun)	drib (noun)
a drop of the clear salty saline solution secreted by the lacrimal glands	a small indefinite quantity (especially of a liquid)
anything shaped like a falling drop (as a pendant gem on an earring)