Intravenous anesthetic and Truth drug

Intravenous anesthetic noun - An anesthetic that produces anesthesia when injected into the circulatory system.

Truth drug and intravenous anesthetic are semantically related. In some cases you can replace phrase "Truth drug" with "Intravenous anesthetic", this phrases are similar.

Truth drug noun - An intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely.

Intravenous anesthetic and truth drug are semantically related. You can use "Intravenous anesthetic" instead a noun phrase "Truth drug".