The most common and most likely answer to this crossword clue is the 7 letter word ARRIVES
A
R
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More clues leading to the result ARRIVES
Buddy explains!

The straight part
We know that "Comes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case comes = arrives.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ARRIVES mean?
ARRIVES verb- To reach; to get to a certain place.
- To obtain a level of success or fame; to succeed.
- To come; said of time.
- To happen or occur.
- To reach; to come to.
- To bring to shore.