| A | B |
| subway | (n) underground electric railroad |
| subject | (n)someone who is under the control of someone else |
| submerge | (v) to put below the surface of water |
| subset | (n) a set that is part of a larger set |
| subterranean | (adj) beneath the earth's surface |
| translate | (v) to change from one language to another |
| transfer | (v) to carry or send from one person or place to another |
| transform | (v) to change in form or appearance |
| transparent | (adj) allowing light rays through so objects can be sen distinctly through it |
| transplant | (v) to plant in another place |