Fascinate

The verb 'to fascinate' and its various derivatives, such as the inflections fascinated and fascinating, the nouns fascination and fascinator, spells the sibilant between its first and second syllables with both '-s-' and '-c-', in that order.

Fascination is one of the 117 mis-spellings listed as 'Common difficulties' in the section on 'Spelling' within 'Writing' in UEfAP.