tuft vs clump

tuft and clump both are nouns.

Word	Noun	Adjective	Verb	Adverb
tuft	Yes	No	No	No
clump	Yes	No	Yes	No

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

Other hypernyms of tuft include bunch, cluster, clustering.

tuft (noun)	clump (noun)
a bunch of feathers or hair	a heavy dull sound (as made by impact of heavy objects)
a bunch of hair or feathers or growing grass	a grouping of a number of similar things
	a compact mass

tuft (verb)	clump (verb)
	gather or cause to gather into a cluster
	walk clumsily
	come together as in a cluster or flock
	make or move along with a sound as of a horse's hooves striking the ground