Crossword Genius

A survey has nothing on a Greek god (6)

Ross

I believe the answer is:

apollo

'a greek god' is the definition.
(Apollo is an example)

'a survey has nothing' is the wordplay.
'survey' becomes 'poll' (polling is a kind of surveying).
'has' means one lot of letters go next to another.
'nothing' becomes 'O' (looks like zero - 0).
'a'+'poll'+'o'='APOLLO'

'on' acts as a link.

(Other definitions for apollo that I've seen before include "Programme targeting satellite" , "Greek god of the sun (6)" , "Greek (and Roman) god of light, poetry etc" , "US moon landing programme" , "US spacecraft" .)

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