tranquillizer or tranquilliser(NAmer tranquilizer) noun

• Epstein-Barr virus
• EQ
• equable
• equal
• equalise
• equaliser
• equalitarian
• equality
• equalize
• equalizer
• equally
• equal opportunity
• equals sign
• equal temperament
• equanimity
• equate
• equation
• equator
• equatorial
• equerry
• equestrian
• equi-
• equiangular
• equidistant
• equilateral