ghost / evil spirit, demon, ogre / (figuratively) someone of remarkable or diabolical energy or ability, a demon / "it" in a game of tag/hide and seek (鬼ごっこ onigokko, "pretend spirits")

(Buddhism) the practices of demons or evil spirits

a job; an occupation; work / job, work (task) / (physics) work, change of energy

to work

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

law / measure, size

demon, ogre, monster / soul of the deceased

method / law, rule / principle / model / system