rank, place / decimal place / ghosts

rank; grade; dignity; position; throne; crown; another (in a different place or time) / about; approximately / tolerably; passably / upper; imperial; eminent; superior; prominent; illustrious; distinguished / to count as; to be considered as; to deem as; to regard as; to treat as; to think of as; to take for

use one thing for many purposes / work someone hard

pain (annoying person or thing), pain in the neck

to use one's head

(pathology) Synonym of 偏頭痛 (henzutsū, “migraine”)

scientific knowledge

knowledge is power

intellectual

trivia