Graf Zeppelin, accrue, accumulate, advance, aeroplane, aerostat, air bubble, airlift, airplane, airship, appreciate, bag, ball, ballonet, be airborne, bead, belly, belly out, bilge, billow, bladder, bleb, blimp, blister, bloat, blob, blood blister, boll, bolus, boom, bouge, breed, broaden, bubble, bug, bulb, bulbil, bulblet, bulge, bulk, bulla, captive balloon, conglobulate, crescendo, cruise, develop, dilate, dirigible, dirigible balloon, distend, drift, ellipsoid, enlarge, expand, extend, ferry, fever blister, fill out, flit, fly, fob, gain, gain strength, gasbag, geoid, get ahead, glide, globe, globelet, globoid, globule, glomerulus, go up, gob, gobbet, goggle, greaten, grow, hop, hover, hydroplane, increase, intensify, jet, knob, knot, lighter-than-air craft, mount, multiply, mushroom, navigate, oblate spheroid, orb, orbit, orblet, pellet, pilot balloon, pocket, poke, pooch, pop, pouch, pout, prolate spheroid, proliferate, puff up, rigid airship, rise, rondure, round out, run up, sac, sack, sail, sailplane, sausage, seaplane, semirigid airship, ship, shoot up, snowball, soap bubble, soar, sphere, spherify, spheroid, spherule, spread, strengthen, stretch, swell, swell out, take the air, take wing, tumefy, vesicle, volplane, wax, weather balloon, widen, wing, zeppelin