Usage History of 'zoosperm'

The following chart shows how frequently 'zoosperm' appeared in printed materials over time. For example, the word 'zoosperm' occurred 4 times in books in 1849 and 33 times in 2008. From 1849 to 2008, the word 'zoosperm' was used a total of 1,498 times in books scanned by Google. See Reference: Google Ngram project.

See also:

Find all anagrams of 'zoosperm'
Words starting with a,b,c...
Words ending with a,b,c...
Words starting & ending with a,b,c....