“Vermin” are pests. For instance, rats and mosquitos could be considered vermin. To provide further help, a “lawyer” is someone who understands and practices the law; a “tyrant” is a ruler whose power is absolute is often cruel to his people; a “quack” is a phony.

A "feline" is another word for a "cat." "Canine" is a similar synonym for "dog," and "equine" is a similar synonym for "horse." As a word "feline" has no relation to subways or cars.