shuffle vs scuff

shuffle and scuff both are nouns.

Word	Noun	Adjective	Verb	Adverb
shuffle	Yes	No	Yes	No
scuff	Yes	No	Yes	No

As verbs, scuff is a hyponym of shuffle; that is, scuff is a word with a more specific, narrower meaning than shuffle:

Other hyponyms of shuffle include drag.

shuffle (noun)	scuff (noun)
the act of mixing cards haphazardly	the act of scuffing (scraping or dragging the feet)
walking with a slow dragging motion without lifting your feet	a slipper that has no fitting around the heel

shuffle (verb)	scuff (verb)
mix so as to make a random order or arrangement	poke at with the foot or toe
walk by dragging one's feet	mar by scuffing
move about, move back and forth	get or become scuffed
	walk without lifting the feet