The most common and most likely answer to this crossword clue is the 7 letter word RUN-INS
I've seen this crossword clue in Independent
R
U
N
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I
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S
Buddy explains!
The straight part
We know that "Arguments" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case arguments = run-ins.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 RUN-INS mean?
RUN-INS noun- An encounter; a scrape or brush, especially one involving trouble or difficulty.
- The end-phase of a competition.