heterology
noun
- a lack of correspondence of apparently similar bodily parts due to differences in fundamental makeup or origin
Wiktionary
noun
Etymology: From hetero- + -logy.
- A lack of correspondence between biomolecules or body parts (e.g., proteins, tissues, bones, limbs) that reflects a difference in origin.
- The property of a word or phrase that does not describe itself.
“The words ultrashort and onomatopoeia display heterology: ultrashort might be called short but is not an ultrashort word, and onomatopoeia is not an onomatopoeic word.”