What is the crossword answer for the clue: Je ne sais quoi

AURA - a 4 letter word may be the answer you are looking for!

ELAN - a 4 letter word may be the answer you are looking for!

OOMPH - a 5 letter word may be the answer you are looking for!

XFACTOR - a 7 letter word may be the answer you are looking for!

AIR - a 3 letter word may be the answer you are looking for!

Je ne sais quoi

3 Character Answers:

AIR

4 Character Answers:

AURA

ELAN

5 Character Answers:

OOMPH

7 Character Answers:

XFACTOR