row vs serration

row and serration both are nouns.

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

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

Other hyponyms of row include terrace.

row (noun)	serration (noun)
the act of rowing as a sport	a single notch in a row of notches
(construction) a layer of masonry	a row of notches
a continuous chronological succession without an interruption	the condition of being serrated
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

row (verb)	serration (verb)
propel with oars