Nouns

(n)cocklecommon edible European bivalve
(n)cocklecommon edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs

Verbs

(v)ripple, ruffle, riffle, cockle, undulatestir up (water) so as to form ripples
(v)pucker, rumple, cockle, crumple, knitto gather something into small wrinkles or folds“She puckered her lips”