| AMPHIOXUSES | • amphioxuses n. Plural of amphioxus. • AMPHIOXUS n. (Greek) a fishlike creature, two or three inches long, found in temperate seas, aka lancelet. |
| CHAMPIONESS | • championess n. (Archaic) A female champion. • CHAMPIONESS n. a female champion. |
| GEOPHAGISMS | • GEOPHAGISM n. the act or habit of eating earth. |
| HAEMOPTYSIS | • haemoptysis n. (British spelling) Alternative spelling of hemoptysis. • hæmoptysis n. Obsolete form of hemoptysis. • HAEMOPTYSIS n. the spitting or coughing up of blood from the lungs. |
| HOMOPLASIES | • homoplasies n. Plural of homoplasy. • HOMOPLASY n. the quality or fact of being homoplastic, also HOMOPLASTY. |
| HYPEROSMIAS | • HYPEROSMIA n. an abnormally acute sense of smell. |
| MATRONSHIPS | • matronships n. Plural of matronship. • MATRONSHIP n. the state of being a matron. |
| MYSOPHOBIAS | • mysophobias n. Plural of mysophobia. • MYSOPHOBIA n. an irrational fear of dirt. |
| OARSMANSHIP | • oarsmanship n. The skill of rowing a boat. • OARSMANSHIP n. the craft of rowing with oars. |
| OPISTHOSOMA | • opisthosoma n. (Zoology) The posterior abdomen of the chelicerates. • OPISTHOSOMA n. the abdomen of a spider or other arachnid. |
| OPSIMATHIES | • OPSIMATHY n. education late in life. |
| PANSOPHISMS | • PANSOPHISM n. the claim to know everything. |
| PSAMMOPHILS | • PSAMMOPHIL n. a sand-loving plant, also PSAMMOPHILE. |
| SCYPHISTOMA | • scyphistoma n. (Zoology) The young attached larva of Discophora in the stage when it resembles a hydroid, or actinian. • SCYPHISTOMA n. the fixed polypoid stage in the life cycle of a scyphozoan, which reproduces asexually by budding or strobilation. |
| SEISMOGRAPH | • seismograph n. An instrument that automatically detects and records the intensity, direction and duration of earthquakes… • SEISMOGRAPH n. an instrument for recording earthquakes. |
| SHOPAHOLISM | • shopaholism n. Addiction to shopping; the condition of a shopaholic. • SHOPAHOLISM n. an addiction to shopping. |
| SHOWMANSHIP | • showmanship n. The quality or skill of giving an engaging or compelling performance; a stage presence. • SHOWMANSHIP n. skilful display, or a talent for it. |
| SIPHONOGAMS | • SIPHONOGAM n. a plant reproducing by seed. |
| STASIMORPHY | • stasimorphy n. Any deviation from the normal form of a bodily organ due to arrested development. • STASIMORPHY n. structural modification by arrested development. |
| SYMPOSIARCH | • symposiarch n. (Historical, Ancient Greece) The master of a feast. • SYMPOSIARCH n. the master, director, etc. of a feast or conference. |