Nit pick: The name "octocopter" does not make sense. "Helicopter" is a compound word made of "helico-" and "pter", which means "screw-wings". "Octo-" means eight, "-co-" means nothing. "Octopter" would be a correct compound word meaning "8-wings", but that would be ambiguous, so the object discussed in TFA is better named just "8-propeller drone".
Counterpoint: -copter is a perfectly cromulent suffix. https://en.wiktionary.org/wiki/-copter gyrocopter, helicopter, quadcopter, hexacopter, octocopter, parcelcopter, and—most famously— roflcopter, https://en.wiktionary.org/wiki/roflcopter#/media/File:Roflco... They all have their own dictionary entries. Octocopter makes perfect sense. Everyone understands immediately what it means, and that's the only purpose of la…