Modifiers matching fuel:

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

Simple categories matching lighter:

• clothing,
• birthmark,
• wood,
• material,
• fuel,
• piece,
• part,
• solid,
• hydrocarbon,
• baryon,
• furniture,
• fabric,
• fare,
• petrochemical,
• user,
• tea,
• alkane,
• medium,
• gas,
• rock,
• item,
• sauce,
• body,
• vehicle,
• meat,
• component,
• mixture,
• computer,
• elements,
• particle,
• shirt,
• stuff,
• tool,
• fraction,
• debris,
• ion,
• artifact,
• grouping,
• garment,
• food,
• music,
• metal,
• wine,
• dish,
• element,
• oil,
• manufacturing,
• product,
• alkene,
• equipment,
• hardwood,
• meal,
• flavor,
• distillate,
• works,
• fluid,
• antiparticle,
• drug,
• undergarment,
• substance,
• atom,
• mineral,
• sediment,
• color,
• cotton,
• constituent,
• model,
• impurity,
• article,
• system,
• waste,
• vegetable,
• dishware,
• object,
• construction,
• bag,
• soil,
• feature,
• equivalent,
• compound,
• gadget,
• contaminant,
• solute,
• craft,
• olefin,
• ingredient,
• thing,
• shade,
• molecule,
• textile,
• fruit,
• fiber,
• liquid,
• log,
• smoke,
• animal,
• project,
• fibre,