1. Word List: sub-
sub- = under, below

2. subconscious
not fully aware; occurring below your level of thinking

3. subcutaneous
under the skin

4. subdue
to bring under control

5. subfreezing
below the freezing point

6. subirrigate
to water something from under the ground

7. subject
to put under someone’s control

8. submarine
a watercraft that stays under water

9. submerge
to put under water

10. subordinate
a person who is under someone else in rank or importance

11. subway
a passageway under the ground; an electric underground railway