tril·o·gy 
(trĭlə-jē)
(trĭlə-jē)n. pl. tril·o·gies
A group of three dramatic, literary, or other creative works related in subject or theme.
[Greek trilogiā, series of three related tragedies : tri-, tri- + logos, word, saying; see -LOGY.]
- lucidly
- lucidness
- Lucifer
- luciferase
- luciferin
- Lucila Godoy Alcayaga.
- Lucille Désirée
- Lucille Le Sueur.
- Lucite
- Lucius
- Lucius Aelius Aurelius
- Lucius Annaeus
- Lucius Cornelius
- Lucius Domitius Aurelianus.
- Lucius DuBignon
- Lucius Licinius
- Lucius Quinctius
- Lucius Septimius
- Lucius Sergius Catilina.
- luck
- luckily
- luckiness
- luckless
- Lucknow
- lucky