Fields of study with reference to charitable donations (6)
I believe the answer is:
realms
'fields of study' is the definition.
'realms' can be an answer for 'fields' ('realm' can be a synonym of 'field'). I am not certain of the 'of study' bit.
'with reference to charitable donations' is the wordplay.
'with' says to put letters next to each other.
'reference' becomes 're' (I've seen this in other clues).
'to charitable donations' becomes 'alms' (I've seen this before).
're' next to 'alms' is 'REALMS'.
Can you help me to learn more?
(Other definitions for realms that I've seen before include "Kingdoms, or fields of activity" , "Fields of activity or interest - sound monarchical" , "Domains ruled by king or queen" , "Kingdoms, domains" , "Domains - provinces" .)