canal vs shipway

canal and shipway both are nouns.

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

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

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

canal (noun)	shipway (noun)
long and narrow strip of water made for boats or for irrigation	structure consisting of a sloping way down to the water from the place where ships are built or repaired
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance	a canal large enough for seagoing vessels
(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)	shipway (verb)
provide (a city) with a canal