ars-, ard- +

Warmth of passion or affection; ardor; eagerness; such as, the ardency of love or zeal.

1. Expressing or characterized by warmth of feeling; passionate.
2. Displaying or characterized by strong enthusiasm or devotion; fervent.
3. Burning; fiery.
4. Glowing; shining.

Words that burn.

1. With warmth; affectionately; passionately.
2. In an ardent manner.

1. Great warmth of feeling; fervor; passion; fiery intensity of feeling.
2. Intense devotion, eagerness, or enthusiasm; zeal.
3. Intense heat or glow, as of fire.

The crime of maliciously, voluntarily, and willfully setting fire to the building, buildings, or other property of another or of burning one's own property for an improper purpose; such as, to collect insurance.

Although arson fires are referred to as incendiary, not all incendiary fires are considered arson, the difference being malicious intent.

Someone who commits an act or crime of willfully, wrongfully, and unjustifiably setting property on fire often for the purpose of committing fraud in order to collect insurance payments.

An excessive fear of fire or of setting something on fire.

Such phobics may avoid striking matches, cigarette lighters, and attending places that involve the action of cooking outdoors over a campfire.

Historically, fire has been a source of both fear and awe, with both divine and evil interpretations.