Modifiers matching hydrocarbon:

• light,
• aromatic,
• base,
• lower,
• nonpolar,
• flammable,
• vaporizable,
• solid,
• carcinogenic,
• liquid,
• volatile,
• supercritical,
• clean,
• saturated,
• useful,
• organic,
• nitrogenous,
• aliphatic,
• hydrophobic,
• frozen,
• linear,
• familiar,
• individual,
• refined,
• stable,
• regulated,
• natural,
• model,
• main,
• intermediate,
• minor,
• residual,
• unsaturated,
• simple,
• heavier,
• complex,
• single,
• floating,
• basic,
• available,
• acyclic,
• complicated,
• bound,
• typical,
• conjugated,
• hazardous,
• alternative,
• reactive,
• industrial,
• desirable,
• pure,
• dissolved,
• conventional,
• valuable,
• viscous,
• acetylenic,
• small,
• greasy,
• combustible,
• airborne,
• toxic,
• gaseous,
• cheap,
• dark,
• inert,
• molecular,
• commercial,
• planar,
• dilute,
• synthetic,
• polygonal,
• hard,
• soluble,
• lighter,
• cyclic,
• liquefied,
• heavy,
• dangerous,
• underground,
• common,
• particular,
• important,
• liquifiable,
• fluid,
• essential,
• ordinary,
• neutral,

Simple categories matching carcinogenic:

• substance,
• condition,
• metal,
• fiber,
• event,
• residue,
• compound,
• agent,
• chemical,
• mycotoxin,
• component,
• aldehyde,
• pesticide,
• solvent,
• hydrocarbon,
• pathogen,
• material,
• mixture,
• estrogen,
• toxin,
• particle,
• process,
• habit,
• gas,
• preservative,
• contaminant,