sailcloth vs cloth

sailcloth and cloth both are nouns.

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

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

sailcloth: a strong fabric (such as cotton canvas) used for making sails and tents
cloth: artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers

Other hypernyms of sailcloth include fabric, material, textile.

sailcloth (noun)	cloth (noun)
a strong fabric (such as cotton canvas) used for making sails and tents	artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers