We found one dictionary that defines the word every two weeks:

Phrases: magazine every two weeks, occurring every two weeks, more... ▸ Words similar to every two weeks ▸ Usage examples for every two weeks ▸ Idioms related to every two weeks ▸ Wikipedia articles (New!) ▸ Words that often appear near every two weeks ▸ Rhymes of every two weeks ▸ Invented words related to every two weeks