the phenomenon of different letters or sequences of letters representing the same sound in different words, as for example -ight and -ite in blight and bite
2.
any writing system in which this phenomenon occurs
Derived forms
heterographic (ˌhɛtərəʊˈɡræfɪk) or heterographical (ˌheteroˌgraphical)
adjective
heterography in American English
(ˌhɛtərˈɑgrəfi)
noun
1.
spelling that differs from current standard usage
2.
spelling, as in modern English, in which a given letter or combination of letters does not always represent the same sound