Clues for the word "NORTHERNSPY"

We've had 5 crossword clues used for this word, and seen it 3 times in crosswords. It was last seen in Pat Sajack's Code Letter crossword on December 15, 2017.

Referring Clues

Piemaking apple
Apple variety
Apple commonly used in pies
Apple in pies
CIA operative in the Arctic?

Last Seen In

Pat Sajack's Code Letter - December 15, 2017
Netword - November 18, 2011
Netword - September 18, 2008