帰還return (home); repatriation; feedback (in an electronic circuit, biological system, etc.)
Noun
不能impossible; incapable (of doing); unable (to do); incompetence; inability; impotence; having no solution (of an equation)
Na-adjective
点dot; spot; point; speck; mark; mark (in an exam, etc.); grade; score; points; point (in a game); …
Noun