Crossword Genius

Have riches perhaps in a vault (6)

Ross

I believe the answer is:

abound

'have riches perhaps' is the definition.
(I've seen this before)

'a vault' is the wordplay.
'vault' becomes 'bound' (I've seen this before).
'a'+'bound'='ABOUND'

'in' acts as a link.

(Other definitions for abound that I've seen before include "Be plentiful - take a jump" , "Be in ample supply" , "Exist in large numbers" , "Have riches perhaps" , "Be plentiful, say fish in river" .)

I've seen this clue in The Sun.
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