Mental soundness and Mental health

Mental soundness noun - The healthy psychological state of someone with good judgment.

Mental health and mental soundness are semantically related. In some cases you can use "Mental health" instead a noun phrase "Mental soundness".

Mental health noun - The psychological state of someone who is functioning at a satisfactory level of emotional and behavioral adjustment.

Mental soundness and mental health are semantically related. Sometimes you can replace phrase "Mental soundness" with "Mental health", this phrases are similar.