- gorgonize - to have a paralyzing or mesmerizing effect on: Stupefy or petrify
- dactylion - an anatomical landmark located at the tip of the middle finger.
- enantiodromia - the changing of something into its opposite.
- hamartia - the character flaw or error of a tragic hero that leads to his downfall.
- ktenology - the science of putting people to death.
- montivagant - wandering over hills and mountains.
- ostentiferous - bringing omens or unnatural or supernatural manifestations.
- ultracrepidarian - a person who gives opinions and advice on matters outside of one's knowledge.
- yonderly - mentally or emotionally distant; absent-minded.
http://www.brainpickings.org/index.php/2012/07/02/project-twins-unusual-words/