| AEROTAXES | • AEROTAXIS n. movement towards or from oxygen. |
| APTERYXES | • apteryxes n. Plural of apteryx. • APTERYX n. (Greek) one of a genus of New Zealand birds that includes the kiwi. |
| AXLETREES | • axletrees n. Plural of axletree. • AXLETREE n. a bar used as a primitive wheel axle for animal-drawn vehicle. |
| EXACTRESS | • exactress n. A female exactor. • EXACTRESS n. a female exactor. |
| EXAMETRES | • exametres n. Plural of exametre. • EXAMETRE n. ten to the power of eighteen metres. |
| EXECRATES | • execrates v. Third-person singular simple present indicative form of execrate. • EXECRATE v. to declare to be evil; to denounce or place under a curse. |
| EXHAUSTER | • exhauster n. One who exhausts or depletes. • exhauster n. (Automotive) Exhaust system. • EXHAUSTER n. one who, or that which, exhausts. |
| EXTERNALS | • externals n. Plural of external. • EXTERNAL n. an exterior. |
| EXTERNATS | • externats n. Plural of externat. • EXTERNAT n. (French) a day-school. |
| EXTRANETS | • extranets n. Plural of extranet. • EXTRANET n. a type of network like the internet. |
| EXTRAPOSE | • extrapose v. (Grammar, transitive) To move (an element of a phrase) by extraposition. • EXTRAPOSE v. to move an item normally positioned within a phrase or sentence to the end, to focus attention on it. |
| EXTREMALS | • extremals n. Plural of extremal. • EXTREMAL n. a clause which limits recursion. |
| NARTHEXES | • narthexes n. Plural of narthex. • NARTHEX n. (Greek) a small entrance or porch to a church. |
| OVERTAXES | • overtaxes v. Third-person singular simple present indicative form of overtax. • OVERTAX v. to tax too heavily. |
| RHEOTAXES | • rheotaxes n. Plural of rheotaxis. • RHEOTAXIS n. the movement of an organism in response to a current of water. |
| TREEWAXES | • TREEWAX n. a wax secreted by a certain insect, used as a floor wax, aka Chinese wax. |