Anosphrasia is a rarely used term in English, which refers to the inability to recognize familiar voices. Its spelling can be broken down into individual phonemes using the International Phonetic Alphabet (IPA). The word starts with the "æ" vowel sound, followed by the "n" sound pronounced as "n̪". The "o" and "s" sounds are pronounced separately, followed by "f" and "r" sounds. The "a" and "s" sounds are pronounced next, and the word ends with the "i" and "ə" sounds, making it difficult to spell without the aid of phonetic symbols.
Anosphresia, anosmia.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.