difference is a noun that refers to the state or quality of being different, distinction, or alteration. It also refers to the amount by which one thing, quantity, or degree exceeds or falls short of another.
The difference in their scores was quite dramatic.
It's the difference between success and failure.
generally speaking, difference is used to compare two items or situations and highlight how they're dissimilar. Common mistakes to avoid include incorrect use of 'different than' instead of 'different from'.
to difference is to discern or point out differences between two items, people, or situations.
She differenced the two options.
He differenced the versions of the same sentence.
She has been differencing the candidates in the race.
it's important to note that 'difference' can also be used as an intransitive verb, meaning 'to cause or make a difference' such as in the sentence 'His addition to the team differenced the outcome of the game.'