scow vs lighter

scow and lighter both are nouns.

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

As nouns, lighter is a hypernym of scow; that is, lighter is a word with a broader meaning than scow:

Other hypernyms of scow include barge, flatboat, hoy.

scow (noun)	lighter (noun)
a barge carrying bulk materials in an open hold	a device for lighting or igniting fuel or charges or fires
any of various flat-bottomed boats with sloping ends	a flatbottom boat for carrying heavy loads (especially on canals)
	a substance used to ignite or kindle a fire

scow (verb)	lighter (verb)
	transport in a flatbottom boat