There are 15 words that start with 'percep'.
| percept | percepts |
| perception | perceptive |
| perceptual | perceptible |
| perceptibly | perceptions |
| perceptional | perceptively |
| perceptivity | perceptually |
| perceptibility | perceptiveness |
| perceptivities | |
Note: These 15 words that start with 'percep' are found from the USA & Canada version of the tournament Scrabble word list.