The term 'BEE RELATIVE' can be solved by the crossword solutions WASP (4 letters) and OPIE (4 letters). WASP stands for 'Wildly Aggressive Social Predator', which is a type of insect that is closely related to bees. OPIE stands for 'Omnivorous Pollinator Insect Eater', which is another type of insect that is also closely related to bees. Both WASP and OPIE are considered bee relatives, as they share many of the same characteristics and behaviors as bees.