Crossword Genius

Nothing stops sister getting article in part of phrase (4,6)

Ross

I believe the answer is:

noun clause

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'part of phrase' is the definition.
I know nothing about this answer so I can't judge whether this works.

'nothing stops sister getting article' is the wordplay.
'nothing' becomes 'O' (looks like zero - 0).
'stops' is an insertion indicator (stopping can mean blocking a gap).
'sister' becomes 'nun' (sister is a term of address for a nun).
'getting' means one lot of letters go next to another.
'article' becomes 'clause' (synonyms).
'o' placed inside 'nun' is 'noun'.
'noun'+'clause'='NOUN CLAUSE'

'in' acts as a link.

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