Liver is called "கர்வம்" (karvam) in Tamil.
Kal eeral
Yeast is called nidhi in Tamil.
Amethyst is cukantiyum 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.
gall bladder called in Tamil is pithaneerpai.
Sheanut is called "vennasal" in Tamil.
Asafoetida is called "Perungayam" in Tamil.