THESAURUS
Ruck
Everyman, Public, a mass of, a world of, aggregation, and bobtail, army, assemblage, average, average man, bank, bevy, bezel, bunch, canaille, chamfer, chase, chink, cloud, cluster, clutter, cock, cocker, cockle, cohue, collection, common man, common ruck, common run, company, congeries, congregation, corrugate, corrugation, covey, crack, crankle, cranny, crease, crimp, crimple, crinkle, crowd, crumple, crush, cut, dado, deluge, drift, engraving, everyman, everywoman, flight, flock, flocks, flood, flute, fluting, fold, furrow, galaxy, gash, generality, girl next door, gouge, groove, group, hail, heap, hive, homme moyen sensuel, horde, host, incision, jam, knit, knot, large amount, legion, lots, many, mass, masses of, microgroove, mob, mound, muchness, multitude, muster, nest, numbers, ordinary Joe, ordinary run, pack, panoply, plica, plurality, press, pucker, purse, quantities, quite a few, rabbet, rabble, rabblement, rag, ragtag, ragtag and bobtail, rick, ridge, rifling, rimple, ripple, rivel, rout, ruckle, rumple, run, rut, score, scores, scratch, shirr, shoal, slit, spate, stack, streak, stria, striation, sulcation, sulcus, swarm, tag, throng, tidy sum, well-worn groove, wimple, worlds of, wrinkle
ROGET THESAURUS
Ruck
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.