run-in vs row

run-in and row both are nouns.

Word	Noun	Adjective	Verb	Adverb
run-in	Yes	No	No	No
row	Yes	No	Yes	No

As nouns, run-in and row are synonyms defined as:

Other synonyms of run-in include dustup, quarrel, words, wrangle.

run-in (noun)	row (noun)
an angry dispute	the act of rowing as a sport
	(construction) a layer of masonry
	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

run-in (verb)	row (verb)
	propel with oars