Enter a clue or pattern or both:
The Clue
Dict. shelfmate (3 letter answer)
The Answer
ENC
Tags
Notes
The answer ENC is seen frequently, appearing about once every 140 puzzles.
Related Clues
S.A.S.E., for one
Abbr. with a check
Britannica, for one: Abbr.
Env. extra
Fenced in: Abbr.
Insert: Abbr.
Letter abbr.
Ltr. accompanier
Ltr. insert
Pkg. insert
Ref. book
Ref. work
Reference bk.
S.A.S.E., e.g.
A set of bks.
Abbr. at the bottom of a letter
Abbr. in a business letter
Bottom-of-letter abbr.
Bottom-of-the-letter abbr.
Business letter abbr.
Business-letter abbr.
Cover-letter letters
Direct mail abbr.
Volume purchase?: Abbr.
Stamped return env., e.g.