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.
Ajwain is called "Omam" in Tamil.
Mint is called "புதினா" (Pudhina) in Tamil.
An ant is called "எறுமை" (erumai) in Tamil.
Watercress is called ativerai in Tamil.
IN slang tamil its called as " kaai" in tamil its called as " marbagam"
gall bladder called in Tamil is pithaneerpai.
In Tamil, sage is called "கறவா."