canal vs ampulla

canal and ampulla both are nouns.

Word	Noun	Adjective	Verb	Adverb
canal	Yes	No	Yes	No
ampulla	Yes	No	No	No

canal (noun)	ampulla (noun)
long and narrow strip of water made for boats or for irrigation	a flask that has two handles; used by Romans for wines or oils
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance	the dilated portion of a canal or duct especially of the semicircular canals of the ear
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion

canal (verb)	ampulla (verb)
provide (a city) with a canal