Modifiers matching fuel:

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

Simple categories matching combustible:

• gas,
• waste,
• particle,
• product,
• article,
• wall,
• oil,
• vegetation,
• structure,
• item,
• substance,
• dust,
• metal,
• chemical,
• contaminant,
• surface,
• garbage,
• vehicle,
• liquid,
• fumes,
• solid,
• deposit,
• debris,
• fuel,
• equipment,
• scrap,
• material,
• rock,
• container,
• fiber,
• space,
• decoration,
• fraction,
• mixture,
• powder,
• object,
• mineral,
• foil,
• hydrocarbon,
• volatile,
• fluid,
• component,
• nature,
• land,
• compound,
• wax,
• solvent,
• residue,
• adhesive,
• fabric,
• sheet,
• matter,
• filament,
• construction,