Synonyms to pregnability

chink, abysm, abyss, aperture, arroyo, assailability, bar, bezel, bind, block, block up, blockade, box canyon, breach, break, broach, bump, bung, canyon, cash, caulk, cavity, chamfer, change ringing, chap, chase, chasm, check, chime, chiming, chimney, choke, choke off, choke up, clang, clanging, clangor, clank, clanking, cleave, cleft, cleuch, click, clink, clog, clog up, clop, clough, clump, clunk, coin, col, congest, constipate, cork, corrugation, coulee, couloir, cover, crack, cranny, crevasse, crevice, crump, currency, cut, cut open, cwm, dado, dam, dam up, defile, dell, dike, ding, ding-a-ling, dingdong, dinging, dingle, dispart, ditch, divaricate, divide, dong, donga, donging, dough, draw, dull thud, engraving, excavation, fault, fill, fill up, filthy lucre, fissure, flaw, flick, flume, flump, flute, fluting, fly open, foul, fracture, furrow, gap, gape, gash, gong, gorge, gouge, groove, gulch, gulf, gully, heel of Achilles, hole, incise, incision, interruption, jam, jangle, jingle, jingle-jangle, jinglejangle, jingling, joint, kloof, knell, knelling, lay open, leak, legal tender, lettuce, loot, microgroove, moat, notch, nullah, obstipate, ob