Usage History of 'orthopters'

The following chart shows how frequently 'orthopters' appeared in printed materials over time. For example, the word 'orthopters' occurred 2 times in books in 1846 and 64 times in 2008. From 1846 to 2008, the word 'orthopters' was used a total of 1,166 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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