How to Say "pyre" in Spanish
The Spanish word for “pyre” is “hoguera” — B1 level.

Examples
Hicimos una hoguera en la playa para celebrar la noche de San Juan.
We made a bonfire on the beach to celebrate St. John's night.
Echa más leña a la hoguera para que no se apague.
Throw more wood on the bonfire so it doesn't go out.
En la Edad Media, algunas personas eran condenadas a morir en la hoguera.
In the Middle Ages, some people were condemned to die at the stake.
Gender and Articles
Since this word ends in 'a' and is feminine, you must always use 'la' or 'una'. For example: 'la hoguera'.
Using 'en' for location
When talking about something being burned or someone dying, use the preposition 'en' (in/at). Example: 'morir en la hoguera'.
Hoguera vs. Incendio
Mistake: “Using 'hoguera' for a house fire or forest fire.”
Correction: Use 'incendio' for accidental or destructive fires. 'Hoguera' is a controlled fire made on purpose.
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