[Python] How to find the most similar word in a list in python

I have a list of words

list = ['car', 'animal', 'house', 'animation']


and I want to compare every list item with a string str1 and the output should be the most similar word. Example: If str1 would be anlmal then animal is the most similar word. How can I do this in python? Usually the words I have in my list are good distinguishable from each other.

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