floss vs thread

floss and thread both are nouns.

Word	Noun	Adjective	Verb	Adverb
floss	Yes	No	Yes	No
thread	Yes	No	Yes	No

As nouns, thread is a hypernym of floss; that is, thread is a word with a broader meaning than floss:

floss: a soft loosely twisted thread used in embroidery
thread: a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving

Other hypernyms of floss include yarn.

As nouns, thread is a hypernym of floss; that is, thread is a word with a broader meaning than floss:

floss: a soft thread for cleaning the spaces between the teeth
thread: a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving

Other hypernyms of floss include yarn.

floss (noun)	thread (noun)
a soft loosely twisted thread used in embroidery	a fine cord of twisted fibers (of cotton or silk or wool or nylon etc.) used in sewing and weaving
a soft thread for cleaning the spaces between the teeth	the raised helical rib going around a screw
	the connections that link the various parts of an event or argument together
	any long object resembling a thin line

floss (verb)	thread (verb)
use dental floss to clean	pass a thread through
	thread on or as if on a string
	remove facial hair by tying a fine string around it and pulling at the string
	pass through or into
	to move or cause to move in a sinuous, spiral, or circular course