scapegrace, n. [rogue], [scamp], blacksheep, miscreant.
scar, n. cicatrix, [seam], cicatrice; [blemish], [disfigurement], [flaw]. Associated words: cicatricial, cicatrisive, cicatrizant, cicatrize, cicatrization, escharotic.
scarce, a. [rare], unplentiful, [deficient].
scarcity, n. [dearth], [deficiency], [insufficiency], [lack], [drought], rarity, paucity.
scare, v. [frighten], intimidate, [terrify], [daunt], [cow], appall, [startle], affright, [alarm], browbeat, [dismay], terrorize, [overawe]. Antonym: reassure.
scare, n. [fright], [alarm], [terror], [panic], [consternation].
scarecrow, n. [guy], effigy; [ragamuffin].
scarf, n. [muffler], tippet, neckcloth, neckerchief, cravat, [necktie], maniple.
scarfskin, n. epidermis, cuticle.
scary, a. (Colloq.) [timid], [apprehensive], [alarming], [frightful].