then or than

When do we use then and than?

Word Explanation Example
then (1) at a time in the past or future (1) They have not visited her friends since then.
(2) next (2) First I get up, then I have breakfast.
(3) additional information (3) He had a cup of coffee, and then two glasses of milk.
(4) logical result (4) If you fail that test, then you'll be suspended.
than comparison of two things The yellow car is faster than the black one.