13-Letter Words Start with 'z'

There are 9 13-letter words that start with 'z'.

zealousnesses	zestfulnesses
zombification	zoogeographer
zoogeographic	zooplanktonic
zoosporangium	zooxanthellae
zygodactylous

Note: These 9 13-letter words that start with 'z' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with zo, zi, ze, za, zy, zu, zl, zw, zz.

2-letter words start with 'z' (1)
3-letter words start with 'z' (16)
4-letter words start with 'z' (35)
5-letter words start with 'z' (56)
6-letter words start with 'z' (87)
7-letter words start with 'z' (134)
8-letter words start with 'z' (97)
9-letter words start with 'z' (90)
10-letter words start with 'z' (43)
11-letter words start with 'z' (15)
12-letter words start with 'z' (14)
13-letter words start with 'z' (9)
14-letter words start with 'z' (3)
15-letter words start with 'z' (1)