Crossword Clue:

Next to last Greek letter

AnswerCrossword Clue
PSINext to last Greek letter.
PSINext-to-last Greek letter
PSINext to last Greek letter
WYENext-to-last letter
PSINext-to-last letter
PSISNext-to-last Greek letters
CHIThird-to-last Greek letter
PHIFourth-to-last Greek letter
PSISecond-to-last letter of the Greek alphabet