| A | B |
| lab | work |
| lact/o | milk |
| later | side |
| leuk/o, leuc/o | white, colorless |
| lex | word, law, reading |
| liber | free |
| lingu | language, tongue |
| lip/o | fat |
| lite, ite, lith/o | mineral, rock, fossil |
| loc | place |
| log/o | word, doctrine, discourse |
| loqu, locu | speak |
| luc | light |
| lud, lus | to play |
| lumin | light |
| lun/a/i | moon |
|