tuft vs witch broom

tuft and witch broom both are nouns.

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

As nouns, witch broom is a hyponym of tuft; that is, witch broom is a word with a more specific, narrower meaning than tuft:

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

Other hyponyms of tuft include wisp, hexenbesen, staghead, witches' broom, coma.

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