Foreign boys' names (7)

I believe the answer is:

russian

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'foreign boys' names' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?

This is the entire clue.

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(Other definitions for russian that I've seen before include "East European" , "Native of the world's largest country" , "Putin's language" , "Native of St Petersbourg, say" , "Muscovite possibly" .)

I've seen this clue in the Evening Standard.

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