Modifiers matching volatile:

• radioactive,
• frozen,
• undesirable,
• organic,
• unwanted,
• complex,
• persistent,
• common,
• odorous,
• residual,
• toxic,
• solid,
• important,
• valuable,
• polar,
• endogenous,
• bound,
• harmful,
• active,
• heavier,
• soluble,
• dissolved,
• climatic,
• key,
• possible,
• combustible,

Simple categories matching polar:

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