A condition which results in an inability to spell irregular words, an example being yacht. The ability to spell normal words such as because is unaffected.

LEXICAL AGRAPHIA: "Lexical agraphia leads to an inability to spell words which are classed as ambiguous in their spelling, such as yacht."
Cite this page: N., Pam M.S., "LEXICAL AGRAPHIA," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/lexical-agraphia/ (accessed November 26, 2020).