Modifiers matching fuel:

• cryogenic,
• sensitive,
• solid,
• ordinary,
• liquid,
• organic,
• needed,
• combustible,
• advanced,
• compressed,
• innovative,
• compressible,
• raw,
• useful,
• common,
• clean,
• conventional,
• gaseous,
• regular,
• taxable,
• thermal,
• residential,
• off,
• safe,
• industrial,
• real,
• strategic,
• modern,
• convenient,
• starting,
• light,
• traditional,
• nuclear,
• manufactured,
• appropriate,
• vaporizable,
• supplementary,
• heavier,
• rich,
• fluid,
• efficient,
• base,
• complex,
• mundane,
• dangerous,
• competitive,
• possible,
• usable,
• hard,
• practical,
• inexpensive,
• toxic,
• destructive,
• carbonaceous,
• direct,
• vegetative,
• wet,
• vehicular,
• single,
• costly,
• ignitable,
• local,
• fine,
• abundant,
• indigenous,
• nonwoody,
• odd,
• typical,
• actual,
• expensive,
• exotic,
• cheap,
• granular,
• key,
• sustainable,
• benign,
• standard,
• secondary,
• valuable,
• physiological,
• chemical,
• down,
• discrete,
• renewable,
• residual,
• soluble,
• finished,
• dead,
• separate,
• synthetic,
• harmful,
• lighter,
• beneficial,
• propellant,
• important,
• natural,
• macromolecular,
• commercial,
• thinner,
• new,
• familiar,
• fibrous,
• small,
• metabolic,
• unprocessed,
• smaller,
• primary,
• unconventional,
• foreign,
• abrasive,
• suitable,
• nonpolar,
• automotive,
• medical,
• miscellaneous,
• inflammable,
• extra,
• alternative,
• particulate,
• dry,
• desirable,
• commonplace,
• oxidizable,
• dense,
• inhomogeneous,
• herbaceous,
• loose,
• precious,
• essential,
• technical,
• indoor,
• hazardous,
• uniform,
• friendly,
• future,
• normal,
• major,
• special,
• basic,
• heavy,
• damaging,
• volatile,
• motor,
• porous,
• difficult,
• explosive,
• available,
• cleaner,
• nonrenewable,
• old,
• main,
• powdered,
• diverse,
• pure,
• individual,
• unwanted,
• reactive,
• specialized,
• domestic,
• intermediate,
• corrosive,
• simple,
• several,
• environmental,
• supplemental,
• flammable,
• auxiliary,
• consumable,
• particular,
• biological,
• artificial,
• dirtier,
• dirty,
• unhealthy,
• up,
• homogeneous,
• refined,
• supporting,

Simple categories matching flammable:

• propellant,
• item,
• decoration,
• material,
• fibre,
• product,
• sheet,
• plant,
• object,
• alcohol,
• substrate,
• article,
• substance,
• thing,
• gas,
• vegetation,
• property,
• atmosphere,
• evergreen,
• component,
• light,
• liquid,
• fiber,
• hydrocarbon,
• solvent,
• combustible,
• debris,
• solid,
• waste,
• fuel,
• anaesthetic,
• fabric,
• brush,
• particle,
• vapors,
• commodity,
• corrosive,
• filling,
• part,
• mixture,
• monomer,
• agent,
• fire,
• chemical,
• shrub,
• powder,
• matter,
• anesthetic,
• refrigerant,
• metal,
• structure,
• piece,
• layer,
• content,
• surface,
• lamp,
• document,
• nature,
• fluid,
• tree,
• liquor,