| A | B |
| subconscious | In the back of your mind, unaware |
| subdue | to bring under control |
| subjugate | to bring under control by force |
| subsidize | To supply money or assist with the payment of money |
| subterranean | Below the surface of the earth |
| transcribe | to make a written copy |
| transfer | to carry or send from one person or place to another |
| transform | to change in form or appearance |
| translucent | permitting some light to pass through but giving an unclear image |
| transplant | To plant in another place |
| hyperbole | exaggeration |
| hypercritical | overly critical |
| hypertension | high blood tension, very tense |
| hyperthermia | high temperature |
| superimpose | lay one item atop another |
| superlative | the very best, excellent |
| supernatural | beyond the laws of nature |
| supervise | oversee, direct project |
| surcharge | an additional tax or charge |
| surplus | more than is needed |