Modifiers matching residue:

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

Simple categories matching polar:

• pesticide,
• group,
• fauna,
• organism,
• compound,
• drug,
• region,
• protein,
• hormone,
• solvent,
• surface,
• fiber,
• derivative,
• substance,
• fluid,
• resin,
• liquid,
• insulator,
• base,
• substrate,
• adhesive,
• material,
• sorbent,
• volatile,
• animal,
• atom,
• medium,
• gas,
• elastomer,
• plastic,
• molecule,
• metal,
• unit,
• contamination,
• contaminant,
• lipid,
• mammal,
• residue,
• fraction,
• reagent,
• activator,
• moiety,
• solid,
• bond,
• bird,
• chemical,
• impurity,
• dielectric,
• diluent,
• nutrient,
• particle,
• structure,
• component,
• portion,
• constituent,
• reactant,
• macromolecule,
• ligand,
• oil,
• polymer,
• solute,
• intermediate,
• metabolite,
• rubber,
• monomer,
• radical,
• lubricant,