13-letter words that end in a
- villeggiatura — a (country) holiday
- vinaya pitaka — a collection of scriptures, originally recorded from oral traditions in the 1st century b.c., divided into one of three parts (Pitaka) sermons () the rules of the Buddhist order () and several treatises on philosophy and psychology ()
- virgo intacta — a girl or woman whose hymen has not been broken
- vivax malaria — the most common form of malaria, caused by the protozoan Plasmodium vivax and marked by the occurrence of attacks every other day.
- volsunga saga — an Icelandic saga of the late 13th century, concerning the family of the Volsungs, the theft of the cursed treasure of Andvari, the adventures of Sigurd, his wooing of Brynhild, his enchantment and marriage to Gudrun, and his eventual murder.
- volta redonda — a city in SE Brazil, NW of Rio de Janeiro.
- waltz matilda — to travel the road carrying one's swag
- water lobelia — Lobelia dortmanna
- west columbia — a town in central South Carolina.
- west virginia — a state in the E United States. 24,181 sq. mi. (62,629 sq. km). Capital: Charleston. Abbreviation: WV (for use with zip code), W.Va.
- western dvina — a river rising in W Russia, in the Valdai Hills and flowing south and southwest then northwest to the Gulf of Riga. Length: 1021 km (634 miles)
- western samoa — an independent country comprising the W part of Samoa: formerly a trust territory of New Zealand. 1133 sq. mi. (2935 sq. km). Capital: Apia.
- whare wananga — a university
- xerophthalmia — abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin A.
- zaghlul pasha — Saad [sahd] /sɑd/ (Show IPA), c1860–1927, Egyptian political leader: first prime minister 1924–27.
- zygosporangia — a sporangium that bears a zygospore.