Anxiolytic and Benzodiazepine

Anxiolytic noun - A tranquilizer used to relieve anxiety and reduce tension and irritability.

Benzodiazepine and anxiolytic are semantically related. In some cases you can replace term "Benzodiazepine" with "Anxiolytic", this nouns are similar.

Benzodiazepine noun - Any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency.

Anxiolytic and benzodiazepine are semantically related. Sometimes you can use "Anxiolytic" instead a noun "Benzodiazepine".