bombard vs skip-bomb

bombard is a noun but skip-bomb is not a noun.

Word	Noun	Adjective	Verb	Adverb
bombard	Yes	No	Yes	No
skip-bomb	No	No	Yes	No

As verbs, skip-bomb is a hyponym of bombard; that is, skip-bomb is a word with a more specific, narrower meaning than bombard:

bombard (noun)	skip-bomb (noun)
a large shawm; the bass member of the shawm family

bombard (verb)	skip-bomb (verb)
direct high energy particles or radiation against	attack with delayed release bombs
address with continuously or persistently, as if with a barrage
throw bombs at or attack with bombs
cast, hurl, or throw repeatedly with some missile