outrigger vs stabiliser

outrigger and stabiliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
outrigger	Yes	No	No	No
stabiliser	Yes	No	No	No

As nouns, stabiliser is a hypernym of outrigger; that is, stabiliser is a word with a broader meaning than outrigger:

outrigger: a stabilizer for a canoe; spars attach to a shaped log or float parallel to the hull
stabiliser: a device for making something stable

Other hypernyms of outrigger include stabilizer.

outrigger (noun)	stabiliser (noun)
a stabilizer for a canoe; spars attach to a shaped log or float parallel to the hull	a device for making something stable