In a morpheme-based lexical model, Kiparsky [Kiparsky, P., 1983, "Word-Formation and the Lexicon", in F. Ingemann, ed., "Proceeding of the 1982 Mid-America Linguistics Conference", University of Kansas] introduces a different principle, which he calls "Avoid Synonymy". (18) The output of a lexical rule may not be synonymous with an existing lexical item.
- Jensen & Stong-Jensen (2004), a pag.228