例文（１級）：rancor，repository

He kept his rancor towards his former boss to himself, choosing to
store it in a mental repository.
(彼は元上司への悪意を心の中に抱えたまま、それを精神的な貯蔵所にしまい込むことを選んだ。)

rancor： 恨み、悪意
repository： 貯蔵所