Mantel & Mantle

Mantel is an ornamental facing around, or over, a fireplace: “His grandfather’s large portrait hung above the mantel in the living room.”
Mantle, on the other hand, has the following meanings:-
1. A loose sleeveless coat worn over outer garments; a cloak: “I wore a mantle on my dress to protect myself from the biting cold.”
2. Something that covers, envelops, or conceals: “A thick mantle of smoke covers the sky when the farmers burn the stubble of their crops which cause many diseases related with lungs.”