hose vs watercannon

hose and watercannon both are nouns.

Word	Noun	Adjective	Verb	Adverb
hose	Yes	No	Yes	No
watercannon	Yes	No	No	No

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

hose: a flexible pipe for conveying a liquid or gas
watercannon: a hose (carried on a truck) that fires water under high pressure to disperse crowds (especially crowds of rioters)

Other hyponyms of hose include air hose, airline, fire hose, garden hose, radiator hose, water cannon.

hose (noun)	watercannon (noun)
socks and stockings and tights collectively (the British include underwear)	a hose (carried on a truck) that fires water under high pressure to disperse crowds (especially crowds of rioters)
a flexible pipe for conveying a liquid or gas
man's close-fitting garment of the 16th and 17th centuries covering the legs and reaching up to the waist; worn with a doublet

hose (verb)	watercannon (verb)
water with a hose