| A-Z | Classification | Common Description | Key Reference Materials |
| A | ALI-FAT-IC | Fatty, Waxy, Soapy, Clean | Aliphatic Aldehydes, Alcohols |
| B | Berg - ICEBERG | Cooling, Borneol,Mint,Camphor | Menthol, Camphor, Eucalyptol |
| C | CITRUS | Sour, Sharp, Citrus peel | Citral, Orange, Lemon, Lime |
| D | DAIRY | Milky, Cream, Butter, Cheese | Diacetyl, Butyrate,Lactone,Valerate |
| E | EDIBLE | Vegetable, Nut, Fish, Meat | Thiazoles, Pyrazines, Sulphides |
| F | FRUIT | Sour, Sweet fruits, Strawberry | Allyl caproate, Verdox |
| G | GREEN | Cut-grass, Leaves | cis-3-Hexenol, Triplal |
| H | HERB (Cool) | Cool Herbaceous notes | Lavender, Sage, (Terpene based?) |
| I | IRIS | Orris, Violet | Ionones, Methyl Ionone |
| J | JASMIN | Fruity, Oily, Narcotic, Jasmin | HCA, Benzyl Acetate |
| K | KONIFER | Pine, Pineneedle | Terpineol, Bornyl Acetate |
| L | LIGHT Chemical Floral | Fresh light floral chemical | Linalool, Vertenex, DMBC |
| M | MUGUET | Lily of the Valley, Green, Fresh | Hydroxy, Lilial, Lyral |
| N | NARCOTIC | Heavy Sweet Florals, Absolutes | Narcissus, Ylang Ylang, Tuberose |
| O | ORCHID | Aromatic, Deep floral | Salicylates, Benzoates |
| P | PHENOL | Phenol, Medicinal, Honey | p-Cresol, Ethyl Phenyl Acetate |
| Q | Queen of the ORIENT | Resin, Balsam | Benzoin, Tolu, Terpenes |
| R | ROSE | Rose Otto, Absolute, Geranium | Citronellol, PEA, Rhodinol |
| S | SPICE (Hot) | Hot Culinary, Spice | Clove, Cinnamon, Thyme, (Cyclic?) |
| T | TAR SMOKE | Smoke, Tar, Burnt | Cade, Birch Tar |
| U | Urine Faecal ANIMAL | Animal, Faecal, Leather | Civet, Castoreum, Ambergris |
| V | VANILLA | Sweet Edible, Vanilla | Vanillin, Coumarin, Heliotropin |
| W | WOOD | Wood, Oily, | Cedar, Santal, Vetivert, Patchouli |
| X | X-rated MUSK | Sexy, Musk, Sensual, Sweet | Musk Ketone, Galaxolide |
| Y | EARTHY MOSSY | Yeast, Fungal, Moss, Marine, | Oakmoss, Calone |
| Z | ZOLVENTS | Odourless Solvents, Solubilisers | DEP, DPG, IPP, Ethanol,PG |
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