There are 21 words that start with 'locu'.
| locum | locus | locule |
| loculi | locums | locust |
| locular | loculed | locules |
| loculus | locusta | locusts |
| loculate | locustae | locustal |
| locution | locutory | loculated |
| locutions | locutories | loculicidal |
Note: These 21 words that start with 'locu' are found from the USA & Canada version of the tournament Scrabble word list.