Help with an article on opera (4)
I believe the answer is:
aida
'opera' is the definition.
(Aida is an example)
'help with an article' is the wordplay.
'help' becomes 'aid' (synonyms).
'with' means one lot of letters go next to another.
'an article' becomes 'a' (the indefinite article in English).
'aid'+'a'='AIDA'
'on' is the link.
(Other definitions for aida that I've seen before include "Verdi's opera set in ancient Egypt" , "She dies with Radams (Verdi)" , "Covent Garden production?" , "title role" , "Egyptian opera by 11 Down" .)