There are 18 words that start with 'aper'.
| aper | apers |
| apery | apercu |
| apercus | aperies |
| aperient | aperitif |
| aperture | aperients |
| aperiodic | aperitifs |
| apertural | apertured |
| apertures | aperiodicity |
| aperiodically | aperiodicities |
Note: These 18 words that start with 'aper' are found from the USA & Canada version of the tournament Scrabble word list.