Are a lion and tiger relate or lion and a cougar?

Lions are closely related to tigers but only distantly related to cougars.

Lions, tiger, and cougars are all related. There all part of the cat family. A cougar is the same as a Mountain Lion. Tigers are Stronger, Heavier, and taller than a Lion. Lions are Faster. Tiger have 4 inch canines and 3 in claws. A lion have 3 inch canines and 3 inch claws.