| COFAVORITES | • cofavorites n. Plural of cofavorite. • COFAVORITE n. a joint favourite. |
| COINVENTORS | • coinventors n. Plural of coinventor. • COINVENTOR n. a joint inventor. |
| COINVESTORS | • coinvestors n. Plural of coinvestor. • COINVESTOR n. a joint investor. |
| LOCORESTIVE | • locorestive adj. (Rare) Staying in one place. • LOCORESTIVE adj. (Lamb) staying in one place. |
| OBSERVATION | • observation n. The act of observing, and the fact of being observed (see observance). • observation n. The act of noting and recording some event; or the record of such noting. • observation n. A remark or comment. |
| OVERACTIONS | • overactions n. Plural of overaction. • OVERACTION n. exaggerated or excessive action. |
| OVERCOMMITS | • overcommits v. Third-person singular simple present indicative form of overcommit. • OVERCOMMIT v. to commit excessively. |
| OVERHOLIEST | • OVERHOLY adj. too holy. |
| OVERPOSTING | • overposting v. Present participle of overpost. • OVERPOST v. to hasten over quickly. |
| OVERSTORIES | • overstories n. Plural of overstory. • OVERSTORY n. the highest level of trees in a rainforest, also OVERSTOREY. |
| OVERTEDIOUS | • overtedious adj. Excessively tedious. • OVERTEDIOUS adj. (Shakespeare) too tedious. |
| POSTDIVORCE | • postdivorce adj. After divorce. • POSTDIVORCE adj. following a divorce. |
| PROTOAVISES | • PROTOAVIS n. a member of the genus Protoavis of the Triassic periods, with dinosaur-like tail and hind legs, but some anatomical features characteristic of modern birds. |
| PROVECTIONS | • provections n. Plural of provection. • PROVECTION n. the carrying forward of a sound at the end of a word to the beginning of the next (as 'a newt' from original from 'an ewt'). |
| PROVEDITORS | • proveditors n. Plural of proveditor. • PROVEDITOR n. a purveyor, also PROVEDITORE, PROVEDOR, PROVEDORE, PROVIDOR, PROVISOR. |
| PROVOSTRIES | • provostries n. Plural of provostry. • PROVOSTRY n. the office of provost, the head of certain universities and colleges. |
| RENOVATIONS | • renovations n. Plural of renovation. • RENOVATION n. the act of renovating. |
| REVOCATIONS | • revocations n. Plural of revocation. • REVOCATION n. the act of revoking, calling back. |
| REVOLUTIONS | • revolutions n. Plural of revolution. • REVOLUTION n. the action by a celestial body of going round in an orbit or elliptical course. |