morphographemic
/ˌmɔːfə(ʊ)ɡrəˈfiːmɪk/Linguistics
adjective
Of or relating to the written form of words. morphographemic rule noun (in transformational grammar) a rule for transforming phonetic units into written representations of their sounds; a rule for writing or spelling.
Origin
1960s. From morpho- + graphemic. Compare morphophonetic and earlier morphophonemic.