| ENDOSMOS | • ENDOSMOS n. a form of osmosis. |
| ISONOMES | • ISONOME n. a line connecting points where a species is equally abundant. |
| MONOSIES | • MONOSY n. a separation of parts normally fused, also MONOSIS. |
| MONOSKIS | • monoskis n. Plural of monoski. • monoskis v. Present of monoski. • mono-skis n. Plural of mono-ski. |
| MONSOONS | • monsoons n. Plural of monsoon. • MONSOON n. a wind system in SE Asia which changes direction seasonally, creating wet and dry seasons. |
| MOONLESS | • moonless adj. (Of a night) During which no phase of the Moon is visible to provide light. • moonless adj. (Of a planet) Having no orbiting moon. • Moonless adj. Without the Moon. |
| MOONSETS | • moonsets n. Plural of moonset. • MOONSET n. the time when the moon disappears. |
| MOOTNESS | • mootness n. The state or condition of being moot. • MOOTNESS n. the state of being without legal significance. |
| OMISSION | • omission n. (Uncountable) The act of omitting. • omission n. (Uncountable) The act of neglecting to perform an action one has an obligation to do. • omission n. (Countable) An instance of those acts, or the thing left out thereby; something deleted or left out. |
| ONOMASTS | • onomasts n. Plural of onomast. • ONOMAST n. a person who studies proper names, especially personal names. |
| OSMOSING | • osmosing v. Present participle of osmose. • OSMOSE v. to undergo osmosis. |
| OWNSOMES | • ownsomes n. Plural of ownsome. • OWNSOME n. a solitary state. |
| SOMEONES | • someones n. Plural of someone. • someone's pron. Possessive case of someone. • someone's cont. Someone is. |
| SUNROOMS | • sunrooms n. Plural of sunroom. • sun␣rooms n. Plural of sun room. • SUNROOM n. a room built to admit much sunlight. |
| UNBOSOMS | • unbosoms v. Third-person singular simple present indicative form of unbosom. • UNBOSOM v. to pour out; to tell freely. |