imitation leather vs fabric

imitation leather and fabric both are nouns.

Word	Noun	Adjective	Verb	Adverb
imitation leather	Yes	No	No	No
fabric	Yes	No	No	No

As nouns, fabric is a hypernym of imitation leather; that is, fabric is a word with a broader meaning than imitation leather:

imitation leather: fabric made to look like leather
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of imitation leather include cloth, material, textile.

imitation leather (noun)	fabric (noun)
fabric made to look like leather	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
	the underlying structure