THESAURUS
crumple
bend, break, bristle, buckle, cave, cocker, cockle, collapse, contort, corrugate, corrugation, crankle, crease, crimp, crimple, crinkle, crook, crush, distort, fold, fold up, furrow, gnarl, go, knit, knot, mangle, pucker, purse, ridge, rimple, ripple, rivel, ruck, ruckle, ruffle, rumple, screw, scrunch, set on edge, shirr, spring, turn, turn awry, twist, wad, warp, wimple, wrench, wrest, wring, wrinkle, writhe, yield
ROGET THESAURUS
crumple
Roughness
VB
be rough, go against the grain, render-rough, roughen, ruffle, crisp,
crumple, corrugate, set on edge, stroke the wrong way, rumple.
Fold
N
fold, plicature, plait, pleat, ply, crease, tuck, gather, flexion, flexure, joint, elbow, double, doubling, duplicature, gather, wrinkle, rimple, crinkle, crankle,
crumple, rumple, rivel, ruck, ruffle, dog's ear, corrugation, frounce, flounce, lapel, pucker, crow's feet, plication, folded, fluted, pleated.
VB
fold, double, plicate, plait, crease, wrinkle, crinkle, crankle, curl, cockle up, cocker, rimple, rumple, flute, frizzle, frounce, rivel, twill, corrugate, ruffle, crimple,
crumple, pucker, turn down, double down, down under, tuck, ruck, hem, gather.