There are 11 words that start with 'apostr'.
| apostrophe | apostrophes |
| apostrophic | apostrophise |
| apostrophize | apostrophised |
| apostrophises | apostrophized |
| apostrophizes | apostrophising |
| apostrophizing | |
Note: These 11 words that start with 'apostr' are found from the USA & Canada version of the tournament Scrabble word list.