| A | B |
| submerge | put under water |
| transmit | send over; pass along; let through |
| supermarket | large grocery store |
| submarine | boat that can operate under water |
| translate | change from one language to another |
| supersonic | greater than the speed of sound |
| subdivision | division into smaller parts |
| transaction | piece of business |
| supernatural | beyond what is natural |
| subtraction | math operation |
| transparent | easily seen through |
| supersede | take the place of |
| subsection | part of a section |
| transcript | written copy |
| superstition | unreasoning fear of the unknown |
| subheading | subordinate division of a title or heading |
| transportation | business of conveying people or goods |
| superficial | on the surface only; shallow |
| subcommittee | small group chosen from and acting for a larger group |
| transfusion | transfer of blood from one to another |