duumvir
noun
du·um·vir du̇-ˈəm-vər 
also dyu̇-
1
: one of two Roman officers or magistrates constituting a board or court
2
: one of two people jointly holding power
duumvirate
d(y)u̇-ˈəm-və-rət
noun 
Word History
Etymology
Latin, from duum (genitive of duo two) + vir man
First Known Use
1600, in the meaning defined at sense 1
duumvirate
noun
as in triarchy
Synonyms & Similar Words
Relevance
- triarchy
- triumvirate
- sovereign
- dictatorship
- monocracy
- dyarchy
- oligarchy
- domain
- sea power
- republic
- trust territory
- monarchy
- empire
- client state
- kingdom
- diarchy
- great power
- seignory
- microstate
- world power
- theocracy
- ministate
- sovran
- settlement
- dominion
- duchy
- province
- realm
- soil
- welfare state
- dependency
- mandate
- dukedom
- nation-state
- principality
- emirate
- seigniory
- homeland
- sultanate
- fatherland
- city-state
- condominium
- colony
- superpower
- motherland
- power