
Morphophonology (also morphophonemics, morphonology) is a branch of linguistics which studies the interaction between morphological and phonological or phonetic processes. Its chief focus is the sound changes that take place in morphemes (minimal meaningful units) when they combine to form words. Morphophonological analysis often involves an attem...
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http://en.wikipedia.org/wiki/Morphophonology

Using a word's letter patterns to help determine, in part, the meaning and pronunciation of a word. For example, the morpheme vis in words such as vision and visible is from the Latin root word that means to see; and the ay in stay is pronounced the same in the words gray and play
Found on
http://www.ldonline.org/glossary

morphophonemics (def. 1).
Found on
https://www.infoplease.com/dictionary/morphophonology
No exact match found.