witch broom vs tuft

witch broom and tuft both are nouns.

Word	Noun	Adjective	Verb	Adverb
witch broom	Yes	No	No	No
tuft	Yes	No	No	No

As nouns, tuft is a hypernym of witch broom; that is, tuft is a word with a broader meaning than witch broom:

witch broom: an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
tuft: a bunch of hair or feathers or growing grass

Other hypernyms of witch broom include tussock.

witch broom (noun)	tuft (noun)
an abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance	a bunch of feathers or hair
	a bunch of hair or feathers or growing grass