| BOXINESSES | • BOXINESS n. the state of being boxy, like a box. |
| CONVEXNESS | • convexness n. The state or quality of being convex. • CONVEXNESS n. the state of being convex. |
| COXINESSES | • COXINESS n. cockiness. |
| EXOGENISMS | • EXOGENISM n. the state of being exogenous, developing from superficial rather than deep tissue. |
| EXOTICNESS | • exoticness n. The characteristic of being exotic; foreignness. • EXOTICNESS n. the state of being exotic. |
| EXPRESSION | • expression n. The action of expressing thoughts, ideas, feelings, etc. • expression n. A particular way of phrasing an idea. • expression n. A colloquialism or idiom. |
| EXSECTIONS | • exsections n. Plural of exsection. • EXSECTION n. a cutting out. |
| EXSERTIONS | • exsertions n. Plural of exsertion. • EXSERTION n. a protrusion. |
| EXTENSIONS | • extensions n. Plural of extension. • EXTENSION n. an act of extending. |
| FOXINESSES | • FOXINESS n. the state of being foxy. |
| OXYGENASES | • oxygenases n. Plural of oxygenase. • OXYGENASE n. an enzyme. |
| OXYGENISES | • oxygenises v. Third-person singular simple present indicative form of oxygenise. • OXYGENISE v. to oxygenate, also OXYGENIZE. |
| OXYGENLESS | • oxygenless adj. Lacking oxygen. • oxygenless adj. (Of mountain climbing) not assisted with oxygen. • OXYGENLESS adj. without oxygen. |
| SIXTEENMOS | • sixteenmos n. Plural of sixteenmo. • SIXTEENMO n. a book size 5 5/8 in. x 4 3/8 in. (abbreviated as 16mo.), also SEXTODECIMO. |
| SNEAKBOXES | • sneakboxes n. Plural of sneakbox. • SNEAKBOX n. a small boat masked with brush and weeds that is used for wildfowl hunting. |
| SWINEPOXES | • SWINEPOX n. a disease of swine. |