Yeast is called nidhi in Tamil.
Amethyst is cukantiyum in Tamil.
Iron- Irumpu (Tamil)
Brinjal is called "kathirikkai" in Tamil.
buckwheat, its called Papparai in Tamil and it is a minor millet.
IN slang tamil its called as " kaai" in tamil its called as " marbagam"
Watercress is called ativerai in Tamil.
Ajwain is called "Omam" in Tamil.
Mint is called "புதினா" (Pudhina) in Tamil.
An ant is called "எறுமை" (erumai) in Tamil.
gall bladder called in Tamil is pithaneerpai.
Asafoetida is called "Perungayam" in Tamil.