| BISSEXTILES | • bissextiles n. Plural of bissextile. • BISSEXTILE n. the extra day in the leap year. |
| EPISTAXISES | • EPISTAXIS n. bleeding from the nose. |
| EXCITEDNESS | • excitedness n. The quality of being excited. • EXCITEDNESS n. the state of being excited. |
| EXPOSITRESS | • expositress n. (Dated) A female expositor. • EXPOSITRESS n. a female expositor. |
| EXSTROPHIES | • exstrophies n. Plural of exstrophy. • EXSTROPHY n. congenital eversion of a hollow organ, esp. the bladder. |
| EXTENSITIES | • extensities n. Plural of extensity. • EXTENSITY n. massiveness or spatial quality in sensation from which perception of extension is derived. |
| EXTERNSHIPS | • externships n. Plural of externship. • EXTERNSHIP n. the position of an extern. |
| FIXTURELESS | • fixtureless adj. Without fixtures. • FIXTURELESS adj. without a fixture. |
| INEXACTNESS | • inexactness n. The characteristic or quality of being inexact; a lack of precision, accuracy, or certainty. • INEXACTNESS n. the state of being inexact. |
| MASTOPEXIES | • mastopexies n. Plural of mastopexy. • MASTOPEXY n. cosmetic surgery of breasts. |
| SEXTARIUSES | • sextariuses n. Plural of sextarius. • SEXTARIUS n. (Latin) an ancient Roman unit of liquid measure. |
| SEXUALITIES | • sexualities n. Plural of sexuality. • SEXUALITY n. sexual quality or orientation. |
| STEREOTAXIS | • stereotaxis n. Stereotaxic surgery. • stereotaxis n. The movement of an organism when touched; thigmotaxis. • STEREOTAXIS n. the reaction of an organism to contact with a solid body. |
| TESTATRIXES | • testatrixes n. Plural of testatrix. • TESTATRIX n. a (female) person who leaves a valid will at death. |
| XEROTRIPSES | • XEROTRIPSIS n. dry friction. |