Answer:

C

I

E

We have spotted CIE (3 Letters) a total of 26 times in our database. Below you may see the clues associated with CIE and also when and where was it last seen:

Referring crossword puzzle clues

• G. Eiffel et __
• French version of inc.

Usage among publishers:

• Newsday: Aug 30, 2025
• New York Times: Aug 4, 2024
• New York Times: Aug 3, 2024
• Newsday: Jun 17, 2022