| ACROPHONIES | • acrophonies n. Plural of acrophony. • ACROPHONY n. the use of a word starting with a letter of the alphabet as the name of the letter. |
| AEROPHOBIAS | • AEROPHOBIA n. fear of flying or draughts. |
| ANORTHOSITE | • anorthosite n. (Petrology) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar. • ANORTHOSITE n. an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite. |
| ARCHOLOGIES | • archologies n. Plural of archology. • ARCHOLOGY n. the science of the origins of government. |
| DREARIHOODS | • DREARIHOOD n. (Spenser) affliction; dreariness, also DREARIHEAD, DRERIHEAD. |
| DROSOPHILAE | • drosophilae n. Plural of drosophila. • DROSOPHILA n. a kind of fruit-fly. |
| ERGOPHOBIAS | • ERGOPHOBIA n. a morbid fear of work. |
| EUROPHOBIAS | • EUROPHOBIA n. an irrational fear of Europe and things European. |
| FOOLHARDISE | • foolhardise n. Alternative form of foolhardice. • FOOLHARDISE n. (Spenser) foolhardiness, also FOOLHARDIZE. |
| ICOSAHEDRON | • icosahedron n. (Geometry) A polyhedron with twenty faces. • icosahedron n. (Geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular… • ICOSAHEDRON n. a polyhedron having 20 faces. |
| OPHIOLATERS | • ophiolaters n. Plural of ophiolater. • OPHIOLATER n. a snake-worshipper. |
| OROGRAPHIES | • orographies n. Plural of orography. • OROGRAPHY n. the branch of physical geography which deals with the formation and features of mountains, also OREOGRAPHY. |
| ORTHOCAINES | • orthocaines n. Plural of orthocaine. • ORTHOCAINE n. a white crystalline substance used as a local anaesthetic. |
| ORTHOPEDIAS | • ORTHOPEDIA n. the art or process of curing deformities arising from (originally childhood) disease or injury, also ORTHOPAEDICS, ORTHOPAEDY, ORTHOPEDICS, ORTHOPEDY. |
| ORTHOREXIAS | • ORTHOREXIA n. an eating disorder characterized by excessive focus on eating healthy foods. |
| RADIOPHONES | • radiophones n. Plural of radiophone. • RADIOPHONE n. an instrument for producing sound by radiant energy. |
| SIALORRHOEA | • sialorrhoea n. Alternative spelling of sialorrhea. • sialorrhœa n. Obsolete form of sialorrhea. • SIALORRHOEA n. excessive secretion of saliva, aka ptyalism. |
| WAITERHOODS | • WAITERHOOD n. the state of being a waiter. |
| WHAIKOREROS | • WHAIKORERO n. (Maori) formal speechmaking as forming part of the ceremonies at a marae. |
| ZOOGRAPHIES | • zoographies n. Plural of zoography. • zoögraphies n. Plural of zoögraphy. • ZOOGRAPHY n. the painting or description of animals. |