Some appellation in Appendix? (4)

I believe the answer is:

nina

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'some appellation in appendix?' is the definition.
I can't tell whether this defines the answer.

'some appellation in appendix?' is the wordplay.
'some' indicates a hidden word (some parts of the word are used).
'NINA' can be found hidden inside 'appellation in appendix'.

Can you help me to learn more?

(Other definitions for nina that I've seen before include "One of Columbus's ships in 1492; girl's name" , "- - Simone, 1933-2003, singer" , "Al Hirschfeld's 'hidden' daughter" , "hidden crossword message" , "Girl" .)

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