pilot cloth vs cloth

pilot cloth and cloth both are nouns.

Word	Noun	Adjective	Verb	Adverb
pilot cloth	Yes	No	No	No
cloth	Yes	No	No	No

As nouns, cloth is a hypernym of pilot cloth; that is, cloth is a word with a broader meaning than pilot cloth:

pilot cloth: a thick blue cloth used to make overcoats and coats for sailors etc
cloth: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of pilot cloth include fabric, material, textile.

pilot cloth (noun)	cloth (noun)
a thick blue cloth used to make overcoats and coats for sailors etc	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers