The term 'prickly pear' is a common name for several species of cacti in the genus Opuntia. Nopal, CACTUS, Opuntia, TUNA, and SABRA are all varieties of this plant. Nopal is a five-letter word for a Mexican variety of prickly pear, while CACTUS is a six-letter word for any type of succulent plant with spines. Opuntia is a seven-letter word for a genus of cacti that includes the prickly pear, and TUNA is a four-letter word for a type of prickly pear native to Mexico. Finally, SABRA is a five-letter word for a type of prickly pear native to the Middle East.