lighter vs wherry

lighter and wherry both are nouns.

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

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

Other hyponyms of lighter include dredger, houseboat, pontoon, scow, Norfolk wherry.

lighter (noun)	wherry (noun)
a device for lighting or igniting fuel or charges or fires	light rowboat for use in racing or for transporting goods and passengers in inland waters and harbors
a flatbottom boat for carrying heavy loads (especially on canals)	sailing barge used especially in East Anglia
a substance used to ignite or kindle a fire

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