
1) Bears no resemblance to 2) Ceases to be 3) Common contraction 4) Common verbal contraction 5) Contracted negative 6) Contradictive contraction 7) Does not exist 8) Exists no more 9) Fails to be 10) Fails to be involved in 11) Fails to exist 12) Fails to keep it real 13) Fails to live up to 14) Falls short of being
Found on
https://www.crosswordclues.com/clue/isnt

Inferior, Superior, Nasal, Temporal (rule used to assess optic disc appearance)
Found on
http://www.translationdirectory.com/glossaries/glossary140.htm
No exact match found.