fib vs fairytale

fib and fairytale both are nouns.

Word	Noun	Adjective	Verb	Adverb
fib	Yes	No	Yes	No
fairytale	Yes	No	No	No

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

fib: a trivial lie
fairytale: an interesting but highly implausible story; often told as an excuse

Other hyponyms of fib include cock-and-bull story, fairy story, fairy tale, song and dance.

fib (noun)	fairytale (noun)
a trivial lie	a story about fairies; told to amuse children
	an interesting but highly implausible story; often told as an excuse

fib (verb)	fairytale (verb)
tell a relatively insignificant lie