This is the 10453rd most frequent German word.
rg
"rg" is not a standalone word in German. It may be a typo or abbreviation.
Here, 'rg' is used as part of the word 'Argument', meaning an argument or point.
Ich habe ein interessantes Argument gehört.
I heard an interesting argument.
In this sentence, 'rg' is part of the word 'Reglung', which relates to regulation or adjustment.
Die Reglung des Systems war erfolgreich.
The regulation of the system was successful.
'rg' is within 'Ergebenheit', referring to devotion or submission in this usage.