The crossword solution for the term 'Caiman Cousin' is 'CROC', which is a four letter word. Crocs are a type of reptile that belong to the same family as caimans, which are large reptiles found in Central and South America. They are closely related to alligators and have similar characteristics, such as a long snout and webbed feet. Crocs are typically smaller than caimans and can be found in both freshwater and saltwater habitats.