tranquilizante
/tɾankiliˈθante/ · B2 · adj
soothing, relaxing
😌💊 tranquil + -izante = makes tranquil, so it soothes or is a tranquilizer
Tranquilizante comes from tranquilo (calm) plus the -izar verb ending, meaning to make calm. The -ante ending works like English -ing, so it means calming as an adjective. As a noun it is the pill or drug that calms.