There are 13 words that start with 'atrop'.
| atrophy | atropin | atrophia |
| atrophic | atropine | atropins |
| atropism | atrophias | atrophied |
| atrophies | atropines | atropisms |
| atrophying | ||
Note: These 13 words that start with 'atrop' are found from the USA & Canada version of the tournament Scrabble word list.