The fundamental nature or quality of something
A modern phonetic variant of the English word 'essence', which derives from the Latin 'essentia'. It refers to the intrinsic nature or indispensable quality of something that determines its character.
Less common today
Essance isn't in the latest US Top 1000. It last peaked at #6,051 in 1998.
US births per 5-year period, 1990βpresent (SSA data).