barge vs scow

barge and scow both are nouns.

Word	Noun	Adjective	Verb	Adverb
barge	Yes	No	Yes	No
scow	Yes	No	No	No

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

Other hyponyms of barge include dredger, houseboat, pontoon, Norfolk wherry, wherry.

barge (noun)	scow (noun)
a flatbottom boat for carrying heavy loads (especially on canals)	a barge carrying bulk materials in an open hold
	any of various flat-bottomed boats with sloping ends

barge (verb)	scow (verb)
push one's way
transport by barge on a body of water