Relier Pairs Butting HeadsVersion en ligne ........ par Tea Cher 1 Bashing 2 Butting heads 3 Sturdy 4 Layer 5 Bones 6 Creature 7 Million years 8 Unusual 9 Fossilized 10 Helmet 11 Relative 12 Ancient strong and not easily broken. a person who is related to you, such as a parent, child, sibling, or cousin. hard hat that is worn on the head to protect it from injury hard parts of the body that make up the skeleton. not common or expected. hitting something repeatedly with force. very old, often dating back to a time before recorded history. Plant or animal remains that are turned into stone fighting or arguing 1,000,000 years thin sheet of something, such as rock, soil, or clothing. any living thing, such as an animal or a plant.