Suffix for "lion" (3)

I believe the answer is:

ess

'suffix for lion' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for ess that I've seen before include "Alphabet letter" , "Nineteenth letter" , "Curvaceous letter" , "Letter from Mid-West" , "One next to tee" .)

I've seen this clue in the USA Today and the Newsday.

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