12-letter words containing d, y, o
- video piracy — the unauthorized or prohibited use of audio-visual works covered by copyright law, in a way that violates one of the copyright owner's exclusive rights, such as the right to reproduce the copyrighted work, or to make derivative works
- video player — VCR: videotape recorder
- woodburytype — a process using gelatine film exposed to the negative, which is then pressed into lead and processed, or a print of this type
- woodruff key — a key having the form of a nearly semicircular disk fitting into a recess in a shaft.
- woolly aphid — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)
- wordsmithery — the craft or skill of a wordsmith
- worldly-wise — wise as to the affairs of this world.
- year-rounder — a person who is a year-round resident, as at a seasonal resort.
- yellow daisy — the black-eyed Susan, Rudbeckia hirta.
- younger edda — either of two old Icelandic literary works, one a collection of poems on mythical and religious subjects (or) erroneously attributed to Saemund Sigfusson (c1055–1133), the other a collection of ancient Scandinavian myths and legends, rules and theories of versification, poems, etc. (or) compiled and written in part by Snorri Sturluson (1179–1241).
- younger hand — (in piquet and similar card games) the dealer
- younghusband — Sir Francis Edward. 1863–1942, British explorer, mainly of N India and Tibet. He used military force to compel the Dalai Lama to sign (1904) a trade agreement with Britain
- youth leader — a person who has responsibility for the young people at a youth club etc