Modifiers matching residue:

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

Simple categories matching harmless:

• compound,
• being,
• spider,
• animal,
• substance,
• insect,
• residue,
• preparation,
• organism,
• material,
• sugar,
• salt,
• component,
• thing,
• creature,
• critter,
• bird,
• ingredient,
• metabolite,
• item,
• matter,
• pollutant,
• liquid,
• drug,
• contaminant,
• fluid,
• carrier,
• medication,
• bug,
• souvenir,
• stuff,
• task,
• object,
• impurity,
• gas,
• neighbor,
• prey,
• activity,
• metal,
• agent,
• allergen,
• plant,
• antigen,
• snake,
• crime,
• food,
• chemical,
• disorder,
• constituent,
• preservative,
• rodent,
• foodstuff,
• particle,
• solid,
• powder,