新三郎: a male given name

信介: a male given name / 真介: a male given name / 伸介: a male given name

信平: a male given name

慎剛: a male given name

信号: signal

龍臣: a male given name

急進: rapid progress / 急伸: sudden rise / 球審: baseball umpire / 鳩信: communication by carrier pigeon / 旧臣: old retainer / 丘疹: pimple / 急信: urgent message / 求心: centripetal / 休心: rest assured

休診: have no medical examinations today / 急進: make rapid progress / 急伸: jump / 休心: rest assured

神髄, 真髄: (figurative): The spirit or soul of something: its essence, its true quality. / 心髄: The marrow or core of something. / 神瑞: A good omen.

神秘: mysterious