What Does Morphophonemic Mean?

What Does Morphophonemic Mean? What does Morphophonemic mean? Morphophonemics involves an investigation of the phonological variations within morphemes, usually marking different grammatical functions; e.g., the vowel changes in “sleep” and “slept,” “bind” and “bound,” “vain” and “vanity,” and the consonant alternations in “knife” and “knives,” “loaf” and “loaves.” What does Morphophonemic refer to? What languages