Belching flames is a phrase used to describe a powerful and fiery explosion or display of intense heat. Synonyms for belching flames could be fiery eruptions, explosive infernos, blazing outbursts, or incendiary bursts. Describing such a forceful release of energy could also be done with phrases like flaring fires, raging blaze, searing hot burst, or scorching flame jet. Each synonym adds its own unique twist to the intensity of the fire released, from the color of the flames to the duration of the explosion. These words can be used to add depth and detail to any piece of writing that describes a powerful fire or explosion.