trembles vs animal disease

trembles and animal disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
trembles	Yes	No	No	No
animal disease	Yes	No	No	No

As nouns, animal disease is a hypernym of trembles; that is, animal disease is a word with a broader meaning than trembles:

trembles: disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot
animal disease: a disease that typically does not affect human beings

trembles (noun)	animal disease (noun)
disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot	a disease that typically does not affect human beings