path vs round

path and round both are nouns.

Word	Noun	Adjective	Verb	Adverb
path	Yes	No	No	No
round	Yes	Yes	Yes	Yes

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

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

Other hyponyms of path include collision course, inside track, steps, belt, swath, trail.

path (noun)	round (noun)
a course of conduct	(often plural) a series of professional calls (usually in a set order)
a way especially designed for a particular use	the usual activities in your day
an established line of travel or access	the activity of playing 18 holes of golf
a line or route along which something travels or moves	any circular or rotating mechanism
	a charge of ammunition for a single shot
	a crosspiece between the legs of a chair
	a partsong in which voices follow each other; one voice starts and others join in one after another until all are singing different parts of the song at the same time
	an outburst of applause
	a cut of beef between the rump and the lower leg
	a serving to each of a group (usually alcoholic)
	a regular route for a sentry or policeman
	the course along which communications spread
	(sports) a division of a game during which one team is on the offensive
	an interval during which a recurring sequence of events occurs

path (adjective)	round (adjective)
	having the shape or form of a circle
	(of sounds) full and rich
	(mathematics) expressed to the nearest integer, ten, hundred, or thousand

path (verb)	round (verb)
	become round, plump, or shapely
	make round
	bring to a highly developed, finished, or refined state
	express as a round number
	pronounce with rounded lips
	attack in speech or writing
	wind around; move along a circular course

path (adverb)	round (adverb)
	from beginning to end; throughout