12-Letter Words Containing ZOO

There are 13 12-letter words that contain ZOO. 2 are common words, such as SPERMATOZOON and ZOOLOGICALLY. A rarer one is ZOOXANTHELLA. In this set, A is the most frequent open letter (11 words). 13 words contain a doubled letter.

Full list 13

spermatozoonzoologicallypaleozoologyprotozoologyzoochemistryzoogeographyzooplanktonsazoospermiasgadzookerieszooplankterszoosporangiazootechnicalzooxanthella

About this list

Words
13 (2 common words)
Common example
spermatozoon
Rare example
zooxanthella
Doubled letters
13
Ending in S
4
Most frequent letter
A (11)

Questions

How many 12-letter words containing zoo are there?

13. 2 of them are common words.

What is a common example?

SPERMATOZOON is among the common words in this set.