| NOCTUARY | • noctuary n. A record of what passes in the night; a nightly journal. • NOCTUARY n. a diary for night jottings. |
| NOCTUIDS | • noctuids n. Plural of noctuid. • NOCTUID n. a night-flying moth. |
| NOCTULES | • noctules n. Plural of noctule. • NOCTULE n. a large bat. |
| NOCTUOID | • noctuoid n. Any moth of the superfamily Noctuoidea. • NOCTUOID n. one of a family of night-flying moths. |
| NOCTURIA | • nocturia n. (Medicine) A frequent need to arise during the night in order to urinate. • NOCTURIA n. excessive urination during the night. |
| NOCTURNE | • nocturne n. A work of art relating or dedicated to the night. • nocturne n. (Music) A dreamlike or pensive composition, usually for the piano. • NOCTURNE n. (French) a musical composition of a dreamy character; a painting of a night scene. |
| NOCTURNS | • nocturns n. Plural of nocturn. • NOCTURN n. any one of the three sections of the service of Matins. |
| OCTUPLED | • octupled v. Simple past tense and past participle of octuple. • OCTUPLE v. to multiply by eight. |
| OCTUPLES | • octuples n. Plural of octuple. • OCTUPLE v. to multiply by eight. |
| OCTUPLET | • octuplet n. A group of eight things, particularly. • OCTUPLET n. one of eight children born at one birth. |
| OCTUPLEX | • octuplex adj. Having eight components. • OCTUPLEX adj. being eight times as great. |