How many times is the word "نفس" (self/soul) mentioned in the Holy Quran, and what is its general meaning?

The word "al-nafs" (soul/self) is mentioned 295 times in the Holy Quran in various forms, and it carries multiple meanings. It appears with the meaning of "spirit," as in the Almighty's saying: (It is Allah Who takes away the souls at the time of their death, and those that do not die, during their sleep). It also means "person," as in His saying: (Lest a soul should say: "Ah! My grief that I was undutiful to Allah"). And it can mean "the unknown" or "that which is hidden within," as in His saying: (You know what is in my nafs (self), and I do not know what is in Your nafs (Self)).