unfurl vs change surface

unfurl and change surface both are verbs.

Word	Noun	Adjective	Verb	Adverb
unfurl	No	No	Yes	No
change surface	No	No	Yes	No

As verbs, change surface is a hypernym of unfurl; that is, change surface is a word with a broader meaning than unfurl:

unfurl: unroll, unfold, or spread out or be unrolled, unfolded, or spread out from a furled state
change surface: undergo or cause to undergo a change in the surface

unfurl (verb)	change surface (verb)
unroll, unfold, or spread out or be unrolled, unfolded, or spread out from a furled state	undergo or cause to undergo a change in the surface