cluster vs swad

cluster and swad both are nouns.

Word	Noun	Adjective	Verb	Adverb
cluster	Yes	No	Yes	No
swad	Yes	No	No	No

As nouns, swad is a hyponym of cluster; that is, swad is a word with a more specific, narrower meaning than cluster:

Other hyponyms of cluster include knot, tuft, tussock.

cluster (noun)	swad (noun)
a grouping of a number of similar things	a bunch

cluster (verb)	swad (verb)
gather or cause to gather into a cluster
come together as in a cluster or flock