Smoulder (verb) جلنا، سلگنا

burn slowly with smoke but no flame.
Example: “the bonfire still smouldered, the smoke drifting over the paddock”
Scorch (verb) آگ سے تباہ ہونا، جھلسنا

burn the surface of (something) with flame or heat.
Example: “surrounding houses were scorched by heat from the blast”