Crossword Genius

Scornful criticisms from a sister (7)

Ross

I believe the answer is:

satires

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'scornful criticisms' is the definition.
The definition and answer can be both related to communication as well as being plural nouns.
Maybe you can see a link between them that I can't see?

'from a sister' is the wordplay.
'from' indicates an anagram (the anagram comes from the same letters).
'a'+'sister'='asister'
'asister' anagrammed gives 'SATIRES'.

Can you help me to learn more?

(Other definitions for satires that I've seen before include "travesties?" , "A sister (anag.)" .)

I've seen this clue in The Globe and Mail.
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