marquis

As a noun marquis is

marquess.

As nouns the difference between taxonomy and marquis

is that taxonomy is the science or the technique used to make a classification while marquis is marquess.

As nouns the difference between marquis and marquise

is that marquis is 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 patent while marquise is a marchioness, especially one who is French.

As a noun marquis

is marquess.

As an adjective rhythmic is

of or relating to rhythm.