serration vs row

serration and row both are nouns.

Word	Noun	Adjective	Verb	Adverb
serration	Yes	No	No	No
row	Yes	No	Yes	No

As nouns, row is a hypernym of serration; that is, row is a word with a broader meaning than serration:

serration (noun)	row (noun)
a single notch in a row of notches	the act of rowing as a sport
a row of notches	(construction) a layer of masonry
the condition of being serrated	a continuous chronological succession without an interruption
	an arrangement of objects or people side by side in a line
	a linear array of numbers, letters, or symbols side by side
	a long continuous strip (usually running horizontally)
	an angry dispute

serration (verb)	row (verb)
	propel with oars