代

Rare term; Linguistics

reflexive pronoun (in Japanese grammar only)

Rare term; Grammar

second-person pronoun

Humble; Rare term

giving a gift

many years; ages

Rare term

postmodernism

Rare term; Law

unauthorized proxy; unauthorized representation

Rare term

tonic-clonic seizure

Rare term

thumb tribe; thumb generation; people who are constantly typing on their phones with their thumbs

Rare term

sole agency authority

Rare term

preceramic period

Rare term; Linguistics

reflexive pronoun

Rare term

energy metabolism

Rare term; Historical term

Age of Discovery

Historical term; Rare term

pre-Jomon period (i.e. the preceramic period)