There are 10 words that start with 'zoos'.
| zoos | zoosperm |
| zoospore | zoosperms |
| zoospores | zoosporic |
| zoosterol | zoosterols |
| zoosporangia | zoosporangium |
Note: These 10 words that start with 'zoos' are found from the USA & Canada version of the tournament Scrabble word list.