Mephitic and Olfactive

Mephitic adjective - Of noxious stench from atmospheric pollution.

Olfactive and mephitic are semantically related In some cases you can use "Olfactive" instead an adjective "Mephitic".

Olfactive adjective - Of or relating to olfaction.

Mephitic and olfactive are semantically related in having fragrance topic. Sometimes you can use "Mephitic" instead an adjective "Olfactive".