Marquis vs. Duke

Difference Between Marquis and Duke
Marquisnoun
A nobleman in England, France, and Germany, of a rank next below that of duke, but above a count. Originally, the marquis was an officer whose duty was to guard the marches or frontiers of the kingdom. The office has ceased, and the name is now a mere title conferred by letters patent or letters close.
Dukenoun
The male ruler of a duchy (female equivalent: duchess).
Marquisnoun
Any of various nymphalid butterflies of the Asian genus Bassarona.
Dukenoun
The sovereign of a small state.
Marquisnoun
humorist who wrote about the imaginary life of cockroaches (1878-1937)
Dukenoun
A high title of nobility; the male holder of a dukedom.
Marquisnoun
nobleman (in various countries) ranking above a count
Dukenoun
A grand duke.
Dukenoun
A fist.
Put up your dukes!Dukeverb
(transitive) To hit or beat with the fists.
Dukeverb
To give cash to; to give a tip to.
I duked him twenty dollars.Dukenoun
a British peer of the highest rank
Dukenoun
a nobleman (in various countries) of high rank