ruckle vs scrunch up

ruckle and scrunch up both are verbs.

Word	Noun	Adjective	Verb	Adverb
ruckle	No	No	Yes	No
scrunch up	No	No	Yes	No

As verbs, ruckle and scrunch up are synonyms defined as:

ruckle and scrunch up: make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic

Other synonyms of ruckle include crease, crinkle, crisp, scrunch, wrinkle.

ruckle (verb)	scrunch up (verb)
make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
make a hoarse, rattling sound	sit on one's heels