Letter: s
- sparsity, dearth, exiguity, fewness, infrequency, meagreness, miserliness, niggardliness, paucity, poverty, rareness, rarity, scant sufficiency, scantiness, scarceness, scarcity

- Spartan, Lenten, abbreviated, abridged, abstemious, abstinent, accepting, armed with patience, ascetic, astringent, austere, authoritarian, bald, bare, brief, brusque

- spasm, abdominal epilepsy, abscess, access, ache, aching, acquired epilepsy, activated epilepsy, acute pain, ado, affect epilepsy, agitation, ague, amok, anaemia, apoplexy

- spasmodic, acute, adrift, afflictive, afloat, agonizing, aimless, alternating, amorphous, atrocious, biting, broken, broken off, capricious, careening, casual

- spasmodically, at haphazard, at intervals, at irregular intervals, at random, brokenly, by catches, by chance, by fits, by jerks, by snatches, capriciously, carelessly, chaotically, desultorily, disconnectedly

- spasms, ague, chorea, fits and starts, palsy, quaking, quavering, quivering, shakes, shaking, shivering, shuddering, spasm, trembling, vibration

- spastic colon, appendicitis, bronchitis, bunion, colitis, encephalitis, enteritis, gastritis, gingivitis, gout, hepatitis, inflammation, laryngitis, lumbago, meningitis, myelitis

- spastic paralysis, MS, cerebral palsy, chorea, epilepsy, falling sickness, headache, migraine, multiple sclerosis, nervous disorder, neuralgia, neuritis, palsy, sciatica, shingles

- spastic, apoplectic, arthritic, broken, capricious, careening, case, cataclysmic, catchy, choppy, consumptive, convulsive, desultory, disastrous, disconnected, discontinuous

- spat, altercate, altercation, argument, beef, bicker, bickering, blood feud, box, brawl, broil, brood, buffet, burst, caterwaul, chop

- spate of words, big mouth, candour, fluency, frankness, gift of gab, glibness, gush, loquacity, openness, prolixity, slush, sociability, verbosity, volubility

- spate, Niagara, abundance, acres, affluence, ample sufficiency, ampleness, amplitude, army, avalanche, bags, barrels, batch, befoul, belch, bespatter

- spathe, blade, bract, flag, frond, leaf, leaflet, needle, petal, pile, spear, spire

- spatial extension, acreage, area, breadth, continuum, dimension, emptiness, expanse, expansion, extension, extent, field, measure, nothingness, outer space, proportion

- spatial, cubic, flat, proportional, space, spherical, stereoscopic, superficial, surface

- spatter, barrage, beat, beating, bedaub, bespatter, bloodstain, blot, blotch, blur, brand, bread, crumb, dab, dabble, damp

- spattered, blotched, blotchy, dotted, dusted, freckle-faced, freckled, freckly, peppered, powdered, speckled, splashed, splattered, splotched, splotchy, spotted

- spattering, aspersion, attenuation, baptism, bath, bathing, beating, broadcast, broadcasting, clicking, dampening, damping, deluge, dewing, diffraction, diffusion

- spatula, air brush, art paper, brush, canvas, chalk, charcoal, chisel, crayon, drawing paper, drawing pencil, drier, easel, fixative, ground, lay figure

- spavined, bad, castrated, crippled, disabled, emasculated, game, halt, halting, handicapped, incapacitated, lame, limping

- spawn, albumen, bear, breed, bring about, bring forth, bring into being, brood, call into being, cause, caviare, clutch, coin, conceive, concoct, contrive

- spawning, fecund, productive, prolific, reproduction

- spay, alter, castrate, emasculate, fix, geld, neuter, sterilize

- speak at length, chatter, drag out, draw out, extend, fill out, pad, protract, run out, spin out, stretch out, string out

- speak fair, accost, address, appeal to, approach, bespeak, buttonhole, greet, hail, invoke, salute, speak, speak to, take aside, talk to

- speak falsely, deceive, equivocate, exaggerate, falsify, fib, lie, mislead, prevaricate, stretch the truth

- speak for itself, approve, argue, attest, be manifest, be no secret, bespeak, betoken, breathe, come across, connote, demonstrate, denote, display, evidence, evince

- speak for, act for, advocate, allege in support, answer, answer for, appear for, argue for, assert, back up, champion, commission, contend for, counter, defend, deputize

- speak highly of, advocate, back, boost, commend, hype, plug, promote, puff, recommend, support, tout

- speak ill of, belittle, bring down, debase, decry, degrade, depreciate, detract from, disapprove of, discredit, disgrace, disparage, hold in contempt, knock down, minimize, put down
