| Word | Definitions | Synonyms |
|---|---|---|
| urochesia | (noun) passage of urine from the anus | Synonyms: urochezia |
| woodsia | (noun) any fern of the genus Woodsia | - |
| xanthopsia | (noun) visual defect in which objects appear to have a yellowish hue; sometimes occurs in cases of jaundice | - |
| zoopsia | (noun) visual hallucination of animals; sometimes occurring in delirium tremens | - |
| zoysia | (noun) any of several creeping grasses of the genus Zoysia | - |