rowboat vs wherry

rowboat and wherry both are nouns.

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

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

rowboat: a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled
wherry: light rowboat for use in racing or for transporting goods and passengers in inland waters and harbors

Other hyponyms of rowboat include rowing boat.

rowboat (noun)	wherry (noun)
a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled	light rowboat for use in racing or for transporting goods and passengers in inland waters and harbors
	sailing barge used especially in East Anglia