noun
belief in god; faith in god
Refers to religious belief in a deity or deities; often used in contexts discussing personal faith or piety.
彼女の神信心はとても深い。
Her faith in God is very deep.
信仰 is a broader term for religious faith or belief in general, while 神信心 specifically emphasizes belief in a god or gods.
Compound of 神 (kami, 'god') and 信心 (shinjin, 'faith, belief').