It’s weird to think about, but behind every word, there’s a person who decided that a specific string of letters was going to refer to a certain action or thing. And while the English language already has more than 171,000 word in it, folks still conjure up new phrases every day to refer to specific scenarios and objects that didn’t previously exist. How were lexicographers in the 19th century supposed to know that we’d eventually need words like blog, voicemail, and WiFi, after all? Herein, we’ve rounded up some common words that have only existed for 40 years or fewer. Take a look.