round vs rubbish

round and rubbish both are nouns.

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

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

Other hyponyms of round include abuse, blackguard, clapperclaw, shout, claw, vitriol, rip, whang, barrage, bombard, blister, scald, scorch, whip.

round (noun)	rubbish (noun)
(often plural) a series of professional calls (usually in a set order)	nonsensical talk or writing
the usual activities in your day	worthless material that is to be disposed of
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 (adjective)	rubbish (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 (verb)	rubbish (verb)
become round, plump, or shapely	attack strongly
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

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