There are 18 9-letter words that start with 'zi'.
| zibelines | zibelline | ziggurats |
| zigzagged | zigzagger | zikkurats |
| zillionth | zincified | zincifies |
| zinfandel | zinkenite | zinkified |
| zinkifies | zippering | zircaloys |
| zirconias | zirconium | zitherist |
Note: These 18 9-letter words that start with 'zi' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with zin, zig, zip, zil, zir, zit, zib, ziz, zik, zid.
3-letter words start with 'zi' (4)