Disconcert some runner verbally (7)

I believe the answer is:

unnerve

'disconcert' is the definition.
(I know that unnerve is a more specific form of disconcert)

'some runner verbally' is the wordplay.
'some' indicates the answer is hidden within the clue (some parts of the word are used).
'UNNERVE' is hidden in the letters of 'runner verbally'.

(Other definitions for unnerve that I've seen before include "Deprive of confidence" , "Intimidate" , "Psych out" , "Disturb the composure of" , "Faze" .)

I've seen this clue in The Daily Express.

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