Dinosaur
noun
A fear dragon is a dinosaur. Dinosaurs are much, much scarier than dragons, and that's why dinosaurs are called fear dragons in Japanese.
きょうりゅう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
恐竜の化石を見つけるのに一番いい方法はなんでしょうか。
What’s the best way to find dinosaur fossils?
「今日はハロウィンなので、恐竜のコスプレをした忍者の仮装をしています。」「何だそれ、紛らわしいな。」
"It's Halloween today, so I'm dressing up as a ninja in dinosaur cosplay." "What the heck. That's confusing."
あの哲学者は、ペットに恐竜を四匹飼っています。
That philosopher has four dinosaurs as pets.