round off vs round

round off is not a noun while round is a noun.

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

As verbs, round off and round are synonyms defined as:

Other synonyms of round off include round down, round out.

As verbs, round off and round are synonyms defined as:

Other synonyms of round off include round out.

As verbs, round off and round are synonyms defined as:

round off and round: bring to a highly developed, finished, or refined state

Other synonyms of round off include brush up, polish, polish up.

round off (noun)	round (noun)
	(often plural) a series of professional calls (usually in a set order)
	the usual activities in your day
	the activity of playing 18 holes of golf
	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

round off (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

round off (verb)	round (verb)
express as a round number	become round, plump, or shapely
make round	make round
bring to a highly developed, finished, or refined state	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

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