cobweb vs fabric

cobweb and fabric both are nouns.

Word	Noun	Adjective	Verb	Adverb
cobweb	Yes	No	No	No
fabric	Yes	No	No	No

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

cobweb: a fabric so delicate and transparent as to resemble a web of a spider
fabric: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of cobweb include cloth, material, textile.

cobweb (noun)	fabric (noun)
a dense elaborate spider web that is more efficient than the orb web	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
filaments from a web that was spun by a spider	the underlying structure
a fabric so delicate and transparent as to resemble a web of a spider