- cacotopiaA dystopia; the worst possible world.
- eupioneA clear oily liquid obtained by the destructive distillation of various vegetable and animal substances; specifically, an oil consisting largely of the higher hydrocarbons of the paraffin series.
- eutelyThe property of a species that all members have the same pattern of cell division, and thus the same number of cells, either in the whole body or in a particular organ system such as the nervous system.