corival, corivalry, corivalship /kō-/ same as corrival, etc.

• quadrature of the circle
• quadratures
• quadratus
• quadratuses
• quadrella
• quadrellas
• quadrennia
• quadrennial
• quadrennially
• quadrennials
• quadrennium
• quadri-
• quadric
• quadricentennial
• quadriceps
• quadricepses
• quadricipital
• quadricone
• quadricones
• quadrics
• quadriennial
• quadriennium
• quadrifarious
• quadrifid
• quadrifoliate