The Croods is an animated movie that features a prehistoric family going on a wild adventure. However, if you're looking for synonyms for the word "Croods", there are several options to choose from. Some options include "cavemen", "Neanderthals", "primitive humans", "prehistoric people," "stone age ancestors," "Paleolithic clan," and "early humans." These words are often used in reference to a group of people or individuals who lived before recorded history. Each of these synonyms holds a different connotation, but all refer to a time long ago and the potential struggles of living in an ancient world.