The term SINE __ NON is a Latin phrase meaning 'without exception'. It is often used to emphasize that something applies to all cases, without any exceptions. The crossword solutions for this term are QUA (3 letters), E (1 letter), and QN (2 letters). QUA is an abbreviation of the Latin word quaque, which means 'EACH' or 'EVERY'. E is the fifth letter of the English alphabet. QN is an abbreviation of the Latin word quoniam, which means 'BECAUSE'. Together, these three solutions form the phrase 'Sine Quaque Excepto', which translates to 'without exception'.