Pill
Lozenge, Tablet
noun
じょうざい
錠 (じょう) Lock, Padlock, Tablet, Pill
錠剤 (じょうざい) Pill, Lozenge, Tablet
洗浄剤 (せんじょうざい) Detergent
A Pill 錠剤 locks 錠 up a dose 剤 of medicine. A Lozenge does too, but dissolves on the tongue to treat sore throat.
Jourm じょう takes xylo-profen ざい Pills.