Modifiers matching fuel:

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

Simple categories matching refined:

• metal,
• steel,
• food,
• cereal,
• commodity,
• starches,
• structure,
• activity,
• grain,
• carbohydrate,
• product,
• fuel,
• foodstuff,
• chemical,
• potato,
• copper,
• sugar,
• horse,
• oil,
• rice,
• resource,
• work,
• arts,
• fat,
• pasta,
• form,
• works,
• furnishing,
• sweetener,
• fabric,
• flour,
• hydrocarbon,
• sweet,
• material,
• petroleum,
• item,
• substrate,
• starch,
• ingredient,
• substance,
• data,
• area,
• drink,
• feature,
• pastime,
• mineral,
• life,
• attainment,