fable vs canard

fable and canard both are nouns.

Word	Noun	Adjective	Verb	Adverb
fable	Yes	No	No	No
canard	Yes	No	No	No

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

fable (noun)	canard (noun)
a short moral story (often with animal characters)	a deliberately misleading fabrication
a story about mythical or supernatural beings or events
a deliberately false or improbable account