The Lonnnnng Word is: SUBDERMATOGLYPHIC
The shorter words used so far are:
Abduct, Ableism, About, Abridge, Abrupt, Absurdity, Abuser, Acres, Adipose, Admire, Adobe, Adroit, Alerts, Algorithm, Almighty, Alright, Aortic, Amity, Amuse, Aphrodite, Apterous, Aptly, Arbute, Argot, Aroused, Arthouse, Article, Ascribed, Atmospheric, Atomic, Atomiser, Atrophied, Audible, Auricle, Autism, Bacterium, Badgers, Bagels, Balmy, Base, Beach, Bears, Beauty, Betray, Birds, Bitsy, Blades, Blasphemy, Blasted, Bleat, Blimey, Blimp, Blips, Blister, Blurts, Blustery, Boars, Boast, Boats, Bored, Botched, Bother, Botulism, Boulders, Brash, Brats, Bread, Breath, Brides, Bridges, Bridle, Brig, Brigade, Bright, Bristle, Broadly, Broil, Bromated, Bromides, Brothel, Budget, Bugler, Builder, Buried, Burly, Burst, Bustard, Busted, Butch, Butler, Buyer, Calmer, Calypso, Camber, Camels, Campsite, Campus, Capitol, Captured, Cared, Carpets, Cartels, Cashier, Castle, Cause, Celts, Chambre, Charged, Chariots, Charms, Chase, Chemistry, Cherubim, Chide, Chimps, Chip, Chirp, Chords, Chortles, Chorus, Chrome, Chugs, Cigars, Clams, Clarity, Climate, Climbs, Clipart, Clothes, Cloudy, Cluster, Coarse, Coast, Cobra, Colder, Comedy, Compatible, Compiled, Comply, Computer, Cordial, Corgi, Cougars, Coughs, Course, Courtesy, Crabs, Crape, Crash, Cream, Credits, Crimes, Crimp, Crisp, Crudely, Cruised, Crumbly, Crumpets, Crusade, Crush, Crusty, Crypt, Crystal, Cults, Curbed, Curse, Custard, Customer, Cyborgs, Cyphoma, Cytoplasm, Daisy, Dambuster, Damper, Darts, Daughter, Delta, Democrat, Demography, Demolish, Demure, Depart, Deposit, Derail, Despotic, Detail, Dialect, Dialogue, Dilute, Dimly, Diplomat, Dismal, Dispatch, Disrupt, Disturb, Docile, Dormice, Double, Doubt, Dough, Douse, Drape, Drastic, Dreams, Drips, Drought, Drumbeat, Dubstep, Dupe, Duplicate, Durable, Duster, Duties, Earthly, Echo, Eclair, Editor, Egotism, Eighty, Empathic, Emphatic, Employ, Empty, Emu, Emulator, Ergastic, Ergot, Erotic, Espy, Eulogy, Gait, Gamers, Garbled, Garish, Gather, Gerbils, Germaphobic, Ghost, Ghouls, Gimlet, Girdle, Glacier, Glamour, Glimpse, Glitch, Gloat, Globes, Glory, Glucose, Glued, Glycerol, Goads, Goalie, Goatherds, Gopher, Gorse, Grace, Gracious, Grades, Grapes, Graphics, Graphite, Grasp, Greatly, Grimace, Grips, Groat, Grouped, Grout, Grubs, Grumble, Guest, Guilty, Guitar, Gyrates, Habit, Hairdo, Hairstyle, Hamper, Hamster, Hardy, Harlots, Harpy, Hatch, Haute, Hepatic, Hermits, Hiatus, Hipster, Hirsute, History, Hoards, Hoary, Holidays, Home, Hoped, Horse, Hosted, Hostile, Hotels, Huge, Humbled, Humor, Hurls, Hurtle, Hydraulics, Hysteria, Ichor, Ideal, Images, Imbued, Impact, Impart, Import, Imposter, Irate, Islam, Isolate, Itchy, Labor, Lachrimose, Lambic, Lambs, Lamp, Lard, Large, Lego, Leopard, Liberty, Ligature, Lighter, Lithogram, Loader, Loams, Lobster, Locate, Locust, Logarithm, Logic, Lotus, Louder, Lucid, Lucre, Lurid, Lymphatic, Lyrics, Lysergic, Madhouse, Mages, Magic, Magpies, Malice, Maltose, Marbles, Marigolds, Mast, Master, Matches, Math, Matured, Mauler, Maybe, Medial, Medical, Melodic, Miracles, Merits, Metabolic, Metaphor, Method, Metrics, Microbes, Misty, Moat, Mobile, Modality, Modulate, Moguls, Morbid, Morphs, Mortal, Mother, Moths, Motile, Mouse, Mulch, Murals, Muscled, Musical, Mustache, Mustard, Muted, Myrtle, Mystical, Mythos, Obdurate, Oblast, Obscure, Obstacle, Obtuse, Ochre, Ogres, Oily, Oligarchy, Olympic, Optical, Orbital, Orphic, Ostrich, Outside, Oyster, Palms, Parish, Partied, Pastry, Patio, Pearls, Peat, Perch, Permits, Perusal, Philtre, Phlegmatic, Phobia, Phragmites, Physical, Pictures, Pilates, Plague, Plaice, Plaited, Plastic, Playtime, Plethora, Plight, Pliosaur, Plumeria, Plums, Plush, Poetry, Police, Polygamist, Portable, Postal, Precious, Predict, Pricey, Primates, Prism, Probate, Problematic, Prodigy, Products, Prude, Public, Putrid, Pyloric, Pyramids, Radio, Rags, Ragtime, Ramble, Raspy, Rates, Ratio, Reap, Realist, Reality, Realty, Redact, React, Rebuild, Recital, Reduce, Regal, Relics, Repaid, Repast, Repost, Residual, Rest, Rhapsody, Rheumatic, Rhymes, Ribcage, Righted, Roadie, Rogues, Romp, Ropes, Rose, Routes, Rumba, Rumbles, Rustic, Sacred, Sage, Sail, Sailor, Sale, Sample, Saucy, Sauté, Scampi, Scar, Score, Scream, Search, Sephardic, Seraphim, Serum, Shalom, Shamble, Shard, Sharp, Sherpa, Shield, Shore, Shrimp, Shrug, Simply, Simulator, Slab, Slate, Sleuth, Slicer, Slider, Slip, Slither, Sloth, Slouched, Slump, Slurp, Smog, Soapy, Sobriety, Society, Soldier, Source, Soup, Space, Spherical, Spider, Spigot, Spiral, Sporadic, Staple, Steady, Steamy, Stomach, Storage, Stream, Stride, Striped, Stub, Studio, Subatomic, Sublet, Sublime, Submit, Subpar, Subtle, Sugary, Suitor, Supremacy, Surely, Surety, Surge, Syrup, Talmud, Tamper, Taoism, Taped, Tardis, Tedious, Temporal, Terms, Theory, Therapy, Thermal, Thread, Thrice, Thus, Thyme, Thymus, Thyroid, Timely, Tipsy, Toads, Toper, Topiary, Torah, Torpid, Toys, Trace, Tragic, Traipse, Trample, Tread, Trepidly, Trials, Tribal, Tripe, Triple, Triumphal, Trophy, Tropical, Troubles, Truism, Trumped, Tubers, Tumblers, Turgid, Turmoil, Typhoid, Typhus, Ugly, Umbrage, Upbraid, Upholstery, Upload, Upright, Upscale, Upstage, Years, Yelp, Yetis, Yodel, Yoghurt, Youth
#631
Pilchards
NB there was a numbering error (#629 omitted - my fault) on the previous page, which has been rectified above.