There are 3 4-letter words that start with 'zoo'.
zoom | zoon | zoos | ||
Note: These 3 4-letter words that start with 'zoo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with zoog, zoop, zoom, zool, zoos, zoot, zoon, zooi, zooe, zook, zooc, zoox.
4-letter words start with 'zoo' (3)