Modifiers matching energy:

• free,
• natural,
• cheap,
• warming,
• physical,
• electromagnetic,
• light,
• harmful,
• magnetic,
• renewable,
• mechanical,
• home,
• central,
• intense,
• noncommercial,
• sufficient,
• vibrational,
• intensive,
• final,
• cold,
• conventional,
• lower,
• useful,
• external,
• religious,
• spectral,
• consumable,
• usable,
• outside,
• thermal,
• cleaner,
• cohesive,
• strong,
• passive,
• positive,
• noxious,
• domestic,
• mystical,
• efficient,
• tangible,
• available,
• excessive,
• acoustic,
• functional,
• marine,
• elemental,
• destructive,
• atmospheric,
• internal,
• diverse,
• nuclear,
• divine,
• incident,
• visible,
• relevant,
• ambient,
• subtle,
• contemporary,
• spiritual,
• concentrated,
• simple,
• related,
• good,
• cosmic,
• widespread,
• primary,
• bad,
• molecular,
• new,
• electric,
• intermediate,
• powerful,
• exotic,
• modern,
• off,
• therapeutic,
• kinetic,
• dynamical,
• geophysical,
• radiant,
• non-visible,
• surrounding,
• negative,
• demanding,
• extraordinary,
• mental,
• secondary,
• clear,
• easy,
• high,
• solar,
• world,
• dangerous,
• convenient,
• unwanted,
• electrical,
• essential,
• ordinary,
• invisible,
• optical,
• psychological,
• abstract,
• directed,
• clean,
• direct,
• commercial,

Simple categories matching radiant:

• heat,
• structure,
• object,
• energy,
• ray,
• source,
• quantity,
• system,