Enter a clue or pattern or both:
The Clue
Spy's stock-in-trade (6 letter answer)
The Answer
SECRET
Tags
Notes
The answer SECRET is common and appears about once every 325 puzzles.
Related Clues
Arcane
Clandestine
Closet
Covert
Esoteric
Furtive
Hidden
Occult
Retired
Shrouded
Subrosa
Christie's "The ___ Adversary"
Confidential matter
Diary tidbit
Hush-hush
Skeleton in the closet
Spy's quest
Teller's offering
Under wraps
Whispered words
Christie's "The ___ of Chimneys": 1925
Like some identities
Step above confidential
Not meant to be repeated
Nothing to write home about?
It may be hard to keep