As nouns the difference between marchioness and duchy
is that marchioness is the wife of a marquess while duchy is a dominion or region ruled by a duke or duchess.
marchioness
English
Noun
(es)
The wife of a marquess.
Synonyms
* marquise
duchy
English
Noun
(
wikipedia duchy)
(
duchies)
A dominion or region ruled by a duke or duchess.
* A Grand Duchy may be a self-governing state.
* A simple duchy tends to be a part of a larger kingdom or empire.
Related terms
* barony
* bishop
* county
* ducal
* duchess
* duke
* march
* marquess
* marquessate
* viscount
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