Being violent can obtain basic accommodation (12)

I believe the answer is:

roughhousing

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'being violent can' is the definition.
The definition suggests a present participle verb which matches the answer.

'basic accommodation' is the wordplay.
'basic' becomes 'rough' (I can't explain this - if you can you should give a lot more credence to this answer).
'accommodation' becomes 'housing' (where people are housed).
'rough'+'housing'='ROUGHHOUSING'

'obtain' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Times.

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