1. Dinosaur: This is the most well-known word with the "dino" root. Dinosaurs were a diverse group of animals that lived millions of years ago and included some of the largest creatures to ever walk the Earth.
2. Dynamo: A dynamo is a machine that converts mechanical energy into electrical energy. The term "dynamo" comes from the Greek word "dynamis", which means "power".
3. Dinomania: Dinomania is an excessive interest in dinosaurs, especially among children. It can be considered a form of obsession or addiction.
4. Dinophobia: Dinophobia is the fear of dinosaurs. It is a specific phobia that may be caused by exposure to movies, books, or other sources of information about dinosaurs.
5. Dinoceras: Dinoceras was a large, rhinoceros-like mammal that lived in North America during the late Paleocene epoch. It is believed to have been one of the first herbivorous mammals to evolve in the Cenozoic Era.
These are just a few examples of words with the Greek root "dino". This root is also found in various scientific and technical terms, such as "dinosaurs," "dinosaurs," and "dinosaur."