dys·tel·e·ol·o·gy 
(dĭs-tĕl′ē-ŏlə-jē, -tē′lē-)
(dĭs-tĕl′ē-ŏlə-jē, -tē′lē-)n.
1. The doctrine of purposelessness in nature.
2. Purposelessness in structures of living bodies, as manifested by the existence of vestigial or nonfunctional organs or parts.
dys·tel′e·o·logi·cal (-ə-lŏjĭ-kəl) adj.
dys·tel′e·olo·gist n.
- William Tecumseh
- "William the Conqueror."
- William the Conqueror
- "William the Silent."
- William Thomas Green
- William Thomson.
- William Trevor Cox.
- William Turner
- William Vacanarat Shadrach
- (William) Wilkie
- William Worrall
- Willie
- willie
- Willie Howard, Jr.
- Willie Pete
- willies
- willing
- willingly
- willingness
- Willis-Ekbom disease
- williwaw
- Will Keith
- will-o'-the-wisp
- willow
- willow herb