Morpheme
Duke
Type
free base
Denotation
leader, rule, commander
Etymology
Old French duc; Latin ducem, from dux, from dūcere
Evidence
archduke, beduke, duke, duked, dukedom, dukeling, dukely, dukery, dukes, dukeship, dukicide, duking, unduke, unduked, undukes, unduking
Notes
duke, dux, doge, duc, and duce are doublets
Doublet
Duke, Dux, Doge, Duc, Duce