Sentence:  Synthetic compounds are coined productively in two basic ways, either as a combination of compounding and suffixation (6), or as a combination of compounding and <WSD>transflection</WSD>, in which case the right-most base lacks an overt derivational suffix (7): (6a). 
Meaning of the word marked with <WSD> tags:  The coining of a new word by changing of the inflectional pattern of an existing word.