There are 8 12-letter words that start with 'zo'.
| zoantharians | zoogeography | zoologically |
| zooplankters | zooplanktons | zoosporangia |
| zootechnical | zooxanthella | |
Note: These 8 12-letter words that start with 'zo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with zoo, zon, zom, zor, zoa, zoe, zou, zod, zoi, zoc, zos, zoy, zof, zow.
3-letter words start with 'zo' (2)