Modifiers matching fire:

• recreational,
• primary,
• hot,
• small,
• controlled,
• intense,
• out,
• flammable,
• big,
• severe,
• smaller,
• surrounding,
• large,
• accidental,
• open,
• side,
• outdoor,
• industrial,
• supernatural,
• special,
• minor,
• liquid,
• physical,
• difficult,
• domestic,
• smouldering,
• fast,
• infrequent,
• flaming,
• real,
• cool,
• major,
• uncontrolled,
• secondary,

Simple categories matching smouldering:

• fire,