bombardon vs bombard

bombardon and bombard both are nouns.

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

As nouns, bombardon and bombard are synonyms defined as:

bombardon and bombard: a large shawm; the bass member of the shawm family

bombardon (noun)	bombard (noun)
a large shawm; the bass member of the shawm family	a large shawm; the bass member of the shawm family
a tuba that coils over the shoulder of the musician

bombardon (verb)	bombard (verb)
	direct high energy particles or radiation against
	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