Lock
Padlock, Tablet, Pill
counter, noun
じょう
錠 (じょう) Lock, Padlock, Tablet, Pill
開錠 (かいじょう、not on WK) Unlocking
錠剤 (じょうざい) Pill, Lozenge, Tablet
手 (て) Hand, Arm
手錠 (てじょう) Handcuffs, Manacles
錠 can also be used as a counter for Tablets/Pills.