Benzodiazepine and Valium

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

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

Valium noun - A tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning.

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