Seven unclued entries had the same relationship to an eighth (appearing as the two other unclued lights).
 

Across

1    Tease females after tea (5)
9    Misrepresentation of man in notes from St Paul? (10)
11    Celebrated beginnings of little individuals, in a way (5, hyphened)
12    Plonkers heading off abroad for a breather (7)
14    Trace sauerkraut in German houses (5)
15    Low and extremely servile creature (5)
16    Gathering of hippies in front of leaky old vessel (6, hyphened)
21    Throw ormolu at US plant (4,4)
22    Make one’s blood run cold, though wearing nappy (7)
25    Ignoring the odds, Jason grabs sailors in river (4)
27    Report of rabbit missing...