Tsade (also spelled ṣade, ṣādē, ṣaddi, ṣad, tzadi, sadhe, tzaddik) is the eighteenth letter of the Semitic abjads, including Phoenician ṣādē 𐤑, Hebrew...

represented without using the sophit (final) forms (see kaph, mem, nun, pe, and tzade). In representing names from foreign languages, a geresh can also be placed...

not Thy law. 137 צַדִּ֣יק אַתָּ֣ה יְהֹוָ֑ה וְ֝יָשָׁ֗ר מִשְׁפָּטֶֽיךָ׃‎ TZADE. Righteous art Thou, O LORD, And upright are Thy judgments. 138 צִ֭וִּיתָ...

represented without using the Sophit forms (see Kaph, Mem, Nun, Pe, and Tzade). 401 is a prime number, tetranacci number, Chen prime, prime index prime...

Pe recalls peh (פה), the mouth, as man's holy organ of speech and praise Tzade suggests Moses as tzaddik (צדיק), the righteous Koph also represents Moses...