unphoˈneticnessn.rare the quality of being unphonetic.
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society > communication > writing > spelling > [noun] > spelling without regard for sound or phonetics
unphoneticness1888
1888 H. SweetHist. Eng. Sounds (new ed.) 68Unphoneticness is mainly the result of the retention of originally phonetic spellings after they have become unphonetic through sound-change.