round vs bombard

round and bombard both are nouns.

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

As verbs, bombard is a hyponym of round; that is, bombard 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, blister, scald, scorch, whip, rubbish.

round (noun)	bombard (noun)
(often plural) a series of professional calls (usually in a set order)	a large shawm; the bass member of the shawm family
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 (adjective)	bombard (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)	bombard (verb)
become round, plump, or shapely	direct high energy particles or radiation against
make round	address with continuously or persistently, as if with a barrage
bring to a highly developed, finished, or refined state	throw bombs at or attack with bombs
express as a round number	cast, hurl, or throw repeatedly with some missile
pronounce with rounded lips
attack in speech or writing
wind around; move along a circular course

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