Is "tri-quarterly" a real English word meaning 3 times a year? Are there any other words that mean 3 times a year?, Three times as many cases of measles were reported in the United States in 2014. vs. Three-times as many cases of measles were reported in the United States in 2014. Is there a difference between the normal and hyphenated versions? Which one is correct?, From WordWeb: Annual: Occurring or payable every year What is the corresponding single word for occurring every two year, three year, four year etc. I understand that it's surely not exhaustively, 3 Why is it 'three score years and ten' almost half the time and not always 'three score and ten years'? Note: I edited the question body and title in light of comments and answers pointing me to a Google phrase frequency chart which indicates that the two versions are used about equally often right now., In the sentence, "We three will go to the Express mall. You can find we/us three there, having a good time." I'm unsure whether to use we/us for the second reference. I have read about , It teaches the target language using English. On a page of vocabulary and phrases, it lists the English terms "three by" and "five by". I can't understand the foreign translation, and there is no context from which to guess the meaning. Are these voice procedures for use on a radio? What is the meaning? And is there also "one by", "two by", etc.?.