Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class II. Words Relating to Space
Section III. Form
3. Superficial Form

250. Convexity.

   NOUN:CONVEXITY, prominence, projection, swelling, gibbosity, bilge, bulge, protuberance, protrusion, excrescency; camber, cahot [N. Amer.], thank-ye-ma’am [U. S.], swell.
  INTUMESCENCE, tumidity; tumor or tumour; tubercle, tuberousness, tuberosity, carunculation, bubo.
  EXCRESCENCE, hump, hunch, bunch; knob, knur, knurl, gnarl, knot; bow, boss, embossment, bump, mamelon, clump; bulb, node, nodule, nodosity.
  tooth, molar; lip, flange; tongue; withers, shoulder, back, dorsum; elbow.
  process, apophysis, condyle.
  wheel, hub, hubble [U. S.].
  peg; button, stud; ridge, rib, trunnion, snag; sugar loaf (sharpness) [See Sharpness].
  PIMPLE, wen, whelk, papula, papule, pustule, pock, proud flesh, growth, sarcoma, caruncle, corn, wart, verruca, furuncle, polypus, fungus, fungosity, exostosis, bleb, blister, bulla, blain; boil (disease) [See Disease]; air bubble, blob.
  PAPILLA, nipple, teat, pap, breast, dug, mammilla.
  PROBOSCIS, nose, olfactory organ, neb, beak, snout, nozzle.
  BELLY, corporation [colloq.], paunch, epigastrium, abdomen.
  ARCH, cupola, dome, vault, beehive; balcony; eaves.
  RELIEF, relievo, cameo; low relief, bas-relief, basso-relievo or basso-rilievo [It.]; half relief, mezzo-relievo or mezzo-rilievo [It.]; high relief, alto-relievo or alto-rilievo [It.]; pilaster.
  POINT OF LAND, hill (height) [See Height]; cape, promontory, mull; foreland, headland; hummock, ledge, spur; naze, ness; mole, jetty, jutty.
   VERB:BE PROMINENT &c. adj.; project, bulge, protrude, bag, belly, carunculate, pout, bouge [obs.], bunch; jut out, stand out, stick out, poke out; stick up, bristle up, start up, cock up, shoot up; swell over, hang over, bend over; beetle.
  RENDER PROMINENT &c. adj.; [See raise]; emboss, chase.
   ADJECTIVE:PROMINENT, protuberant, protrusile, protrusive; undershot, underhung; projecting &c. v.; bossed, bossy, nodular, convex, bunchy; clavate, clavated, claviform; hummocky, moutonné [F.]; caruncular or carunculous, carunculate or carunculated; furuncular, furunculous, furunculoid; mammiform; papulous, papulose; hemispheric, bulbous; bowed, arched; bold; bellied; tuberous, tuberculous; tumorous; cornute, odontoid; lentiform, lenticular; gibbous; club-shaped, hubby [U. S.], hubbly [U. S.], knobby, papillose; saddle-shaped, selliform; subclavate, torose, ventricose, verrucose; excrescential.
  SALIENT, in relief, raised, repoussé [F.]; bloated (expanded) [See Expansion].
   QUOTATION:The knobbes sittynge on his chekes.—Chaucer