Antianxiety drug and Benzodiazepine

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

Benzodiazepine and antianxiety drug are semantically related. In some cases you can replace term "Benzodiazepine" with "Antianxiety drug", this terms 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.

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