| Answer | Crossword Clue |
|---|---|
| switching | Substitute (two items) for each other; exchange |
| switched | Substitute (two items) for each other; exchange |
| interface | A device or program for connecting two items of hardware or software so that they can be operated jointly or communicate with each other |
| interfaces | A device or program for connecting two items of hardware or software so that they can be operated jointly or communicate with each other |
| interchanged | (of two or more people) Exchange (things) with each other |
| interchange | (of two or more people) Exchange (things) with each other |
| interchanging | (of two or more people) Exchange (things) with each other |
| interchanges | (of two or more people) Exchange (things) with each other |
