athletics vs row

athletics and row both are nouns.

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

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

athletics (noun)	row (noun)
an active diversion requiring physical exertion and competition	the act of rowing as a sport
participation in sports events as an extracurricular activity	(construction) a layer of masonry
a contest between athletes	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

athletics (verb)	row (verb)
	propel with oars