Potassium bromide and Restrainer

Potassium bromide noun - A white crystalline salt (KBr) used as a sedative and in photography.

Restrainer and potassium bromide are semantically related. In some cases you can use "Restrainer" instead a noun phrase "Potassium bromide".

Restrainer noun - A person who directs and restrains.

Potassium bromide and restrainer are semantically related. Sometimes you can replace phrase "Potassium bromide" with "Restrainer", this terms are similar.