canal vs raceway

canal and raceway both are nouns.

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

As nouns, raceway is a hyponym of canal; that is, raceway is a word with a more specific, narrower meaning than canal:

Other hyponyms of canal include cut, industrial watercourse, race, ship canal, shipway.

canal (noun)	raceway (noun)
long and narrow strip of water made for boats or for irrigation	a canal for a current of water
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance	a course over which races are run
(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)	raceway (verb)
provide (a city) with a canal