12-letter words containing p, a, y, i
- vacation pay — salary paid during holidays
- vanity plate — a vehicle license plate bearing a combination of letters or numbers requested by the licensee, as a name or occupation.
- vanity press — a printing house that specializes in publishing books for which the authors pay all or most of the costs.
- 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
- viola player — someone who plays the viola
- vituperatory — abusive or blaming
- wackyparsing — (Internet, slang) present participle of wackyparse.
- wages policy — a government policy setting wages and wage increases for workers, for example, setting minimum wage requirements
- webliography — a list of electronic documents, websites, or other resources available on the World Wide Web, especially those relating to a particular subject: a student's annotated webliography on Shakespeare.
- wild parsley — any of several uncultivated plants resembling the parsley in shape and structure.
- 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)
- yachting cap — a cap with a round flat top and a visor
- zygapophysis — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.