bawling vs tears

bawling and tears both are nouns.

Word	Noun	Adjective	Verb	Adverb
bawling	Yes	No	No	No
tears	Yes	No	No	No

As nouns, tears is a hypernym of bawling; that is, tears is a word with a broader meaning than bawling:

bawling: loud cries made while weeping
tears: the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)

Other hypernyms of bawling include crying, weeping.

bawling (noun)	tears (noun)
loud cries made while weeping	the process of shedding tears (usually accompanied by sobs or other inarticulate sounds)