mysql> SELECT `word` FROM `words` ORDER BY RAND() LIMIT 20;
+----------------+
| word           |
+----------------+
| roadblock      |
| Tonye          |
| pushily        |
| necessitated   |
| humorousness   |
| Boynton        |
| poofter        |
| layered        |
| hypostasis     |
| exclusiveness  |
| introvert      |
| Olette         |
| ruminated      |
| evzone         |
| congratulation |
| anglicisms     |
| pralltriller   |
| apothems       |
| Schwitzer      |
| Tamas          |
+----------------+
20 rows in set (0.88 sec)