Meaning of probability: the extent to which something is probable; the likelihood of something happening or being the case.
Meaning of likelihood: the state or fact of something's being likely; probability.
These are similar and are literally the same. Probability is the chance of something happening. Likelihood is the change of something happening too.
Probability is a number or ratio and likelihood is a statement.
Probability: the probability of the dice rolling on (one dot) is 1/6.
Likelihood: the likelihood of the dice rolling on (one dot) is equal to the likelihood of the dice rolling on all the different numbers