wrinkle vs rumple

wrinkle is a noun but rumple is not a noun.

Word	Noun	Adjective	Verb	Adverb
wrinkle	Yes	No	Yes	No
rumple	No	No	Yes	No

As verbs, wrinkle and rumple are synonyms defined as:

Other synonyms of wrinkle include crease, crinkle, crumple.

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

wrinkle: make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
rumple: to gather something into small wrinkles or folds

Other hyponyms of wrinkle include cockle, crumple, knit, pucker, pucker, ruck, ruck up.

wrinkle (noun)	rumple (noun)
a clever method of doing something (especially something new and different)
a minor difficulty
a slight depression or fold in the smoothness of a surface

wrinkle (verb)	rumple (verb)
become wrinkled or crumpled or creased	become wrinkled or crumpled or creased
make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic	disturb the smoothness of
gather or contract into wrinkles or folds; pucker	to gather something into small wrinkles or folds
make wrinkled or creased