Burn
Burn verb - To be on fire especially brightly.
Usage example: all evening long we just sat there, contentedly watching the Yule log burn
Flame is a synonym for burn in be on fire topic. In some cases you can use "Flame" instead the word "Burn" as a verb or a noun, when it comes to topics like activity, oxidise, hot. popular alternative
Flame
Flame verb - To be on fire especially brightly.
Usage example: guests gathered around as the Yule log flamed brightly in the inn's great stone fireplace
Burn is a synonym for flame in activity topic. You can use "Burn" instead a verb "Flame", if it concerns topics such as property, action, oxidise, ignite. popular alternative
Mutual synonyms
Both words in one sentence
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This makes the fire burn more efficiently with less soot, which means that the amount of heat glow (or, more correctly, blackbody radiation) emitted by the flame is less, and the blue light from the chemical reactions going on in the flame is brighter.
Source: Technicolor Fire -
And crosses, as seen in the accompanying image, catch flame and burn to ash.
Source: Cross-Melting Aura - The merest touch of a flame, spark, or other source of ignition will set it ablaze, and it will never burn itself out but continue burning indefinitely, usually setting anything else it comes into contact with on fire with similar alacrity.
Source: Made of Incendium
Cite this Source
Flame and Burn. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/burn/flame
Burn & Flame. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/burn/flame>.
Flame or Burn. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/burn/flame.
Google Ngram Viewer shows how "burn" and "flame" have occurred on timeline