phoneticize

US: (fə net′ə sīz′, fō-)

WordReference Random House Unabridged Dictionary of American English © 2025

pho•net•i•cize  (fə net′ə sīz′, fō-), v.t., -cized, -ciz•ing. 

1. Linguistics to represent (speech) in writing by means of a system in which individual symbols correspond regularly with speech sounds.
2. Linguistics to increase the regularity of correspondence between sound and symbol in (a writing system):
   a proposal for a new system of phoneticized English spelling.

Also,[esp. Brit.,] pho•net′i•cise′. 

• phonetic + -ize

pho•net′i•ci•za′tion, n.