estazolam vs benzodiazepine

estazolam and benzodiazepine both are nouns.

Word	Noun	Adjective	Verb	Adverb
estazolam	Yes	No	No	No
benzodiazepine	Yes	No	No	No

As nouns, benzodiazepine is a hypernym of estazolam; that is, benzodiazepine is a word with a broader meaning than estazolam:

estazolam: a frequently prescribed sleeping pill (trade name ProSom)
benzodiazepine: any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency

estazolam (noun)	benzodiazepine (noun)
a frequently prescribed sleeping pill (trade name ProSom)	any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency