Noun

quartets [sing. a quartet]
quartettes [sing. quartette]

related Results

tetrahedrons (n.) , [pl. tetrahedrons / tetrahedra]
quadrilaterals (n.) , [sing. a quadrilateral]
quadrangles (n.) , [sing. a quadrangle]
رُباعِيَّاتُ الأَسْنان {فصيلة أسماك}، {طب}