There are 9 words that start with 'cytot'.
| cytotoxic | cytotoxin |
| cytotoxins | cytotaxonomy |
| cytotoxicity | cytotaxonomic |
| cytotaxonomies | cytotechnology |
| cytotoxicities | |
Note: These 9 words that start with 'cytot' are found from the USA & Canada version of the tournament Scrabble word list.