compsognathus vs theropod

compsognathus and theropod both are nouns.

Word	Noun	Adjective	Verb	Adverb
compsognathus	Yes	No	No	No
theropod	Yes	No	No	No

As nouns, theropod is a hypernym of compsognathus; that is, theropod is a word with a broader meaning than compsognathus:

compsognathus: very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria
theropod: any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs

Other hypernyms of compsognathus include bird-footed dinosaur, theropod dinosaur.

compsognathus (noun)	theropod (noun)
very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria	any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs