There are 15 words that start with 'luci'.
| lucid | lucite | lucidly |
| lucifer | lucites | lucidity |
| lucifers | lucidness | luciferin |
| lucidities | luciferase | luciferins |
| luciferous | lucidnesses | luciferases |
Note: These 15 words that start with 'luci' are found from the USA & Canada version of the tournament Scrabble word list.