We don't have synonyms for aphoresis yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are diaphoresis, apheresis and aphaeresis.
(n) :
Misspelling of apheresis. [(phonetics, linguistics, prosody) Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial.]
(n) :
Misspelling of apheresis. [(phonetics, linguistics, prosody) Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial.]