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