There are 10 words that start with 'bioa'.
| bioassay | bioactive |
| bioassays | bioassayed |
| bioactivity | bioassaying |
| bioacoustics | bioavailable |
| bioactivities | bioavailability |
Note: These 10 words that start with 'bioa' are found from the USA & Canada version of the tournament Scrabble word list.