There are 16 words that start with 'punctu'.
| punctual | puncture |
| punctuate | punctured |
| punctures | punctually |
| punctuated | punctuates |
| punctuator | puncturing |
| punctuality | punctuating |
| punctuation | punctuators |
| punctuations | punctualities |
Note: These 16 words that start with 'punctu' are found from the USA & Canada version of the tournament Scrabble word list.