There are 11 words that start with 'cytop'.
| cytoplasm | cytoplast |
| cytopathic | cytophilic |
| cytoplasms | cytoplasts |
| cytoplasmic | cytopathogenic |
| cytophotometry | cytophotometric |
| cytoplasmically | |
Note: These 11 words that start with 'cytop' are found from the USA & Canada version of the tournament Scrabble word list.