Modifiers matching residue:

• acid,
• hydrophobic,
• agricultural,
• fibrous,
• biological,
• particulate,
• reactive,
• conventional,
• flexible,
• organic,
• corrosive,
• basic,
• combustible,
• large,
• solid,
• cheap,
• liquid,
• herbaceous,
• useful,
• interfering,
• powdery,
• infectious,
• acidic,
• insoluble,
• charged,
• allergenic,
• woody,
• soluble,
• active,
• unwanted,
• binding,
• crystalline,
• toxic,
• chemical,
• inexpensive,
• dietary,
• visible,
• valuable,
• inorganic,
• nonmetallic,
• antibiotic,
• undesirable,
• iron,
• nonvolatile,
• small,
• functional,
• unrefined,
• fine,
• harmless,
• vegetative,
• refractory,
• inert,
• lipophilic,
• smaller,
• undesired,
• nonpolar,
• biochemical,
• off,
• compressible,
• fatty,
• polymeric,
• wet,
• aliphatic,
• explosive,
• penultimate,
• hygroscopic,
• tough,
• sticky,
• uncharged,
• clean,
• key,
• electronegative,
• common,
• polar,
• miscellaneous,
• side,
• viscous,
• noxious,
• oily,
• heavy,
• poor,
• possible,
• hazardous,
• bulky,
• automotive,
• major,
• internal,
• loose,
• sensitive,
• fresh,
• greasy,
• coarse,
• metallic,
• larger,
• carbonaceous,
• harmful,
• abundant,
• urban,
• carcinogenic,
• neutral,
• aromatic,
• stubborn,
• hydrophilic,
• finer,
• dry,
• essential,
• dangerous,
• botanical,
• heavier,
• structural,
• hard,
• alkaline,
• animal,
• multiple,
• industrial,
• volatile,
• light,
• dried,

Simple categories matching oily:

• compound,
• seafood,
• food,
• pellet,
• fish,
• soil,
• product,
• fruit,
• wood,
• base,
• substance,
• solid,
• deposit,
• bean,
• stain,
• nutrient,
• residue,
• smudge,
• waste,
• lubricant,
• stuff,
• matter,
• composition,
• seed,
• component,
• commodity,
• foodstuff,
• solvent,
• liquid,
• grain,
• vegetable,
• material,
• plant,
• hardwood,
• meat,
• contaminant,