Quadrumvirate [noun]

● Quartette

● Tetralogy

● Tetrad

● Quaternity

● Quadrivium

● Quadruplet

● Quadruple

● Quaternion

● Quaternary

● Quadruplets

● Quartet

● Quadrigeminal

● Quadripartition

● Quadrumvirate

● Decemvirate

● Quinquevir

● Caesaropapism

● Centumvir

● Pylagore

● Hieromnemon

● Superordination

● Churchdom

● Gerontes

● Musical organization

● Amphictyon

● Phylarch

● Authority

● Quartet

● Tetrarchy

● Pretorium

● Heptarchist

● Patriarchdom

● Unmagistrate

● Great seal

● Witenagemote

● Seniorize

● Avoyer

● Adlegation

● High muckamuck

● Political unit

● Gonfalonier

● Seignioralty

● Trio

● Toparch

● City father

● Septimole

● Statocracy

● Sixsome

● Sevensome

● Hebdomadary

● Eightsome

● Tetrastich

● Trimembral

● Muckamuck

● Tetrachotomous

● Tripartient

● Trust territory

● Agonothete

● Officialty

● Administrative unit

● Asiarch

● Greencloth

● Septemvir

● Sovereignize

● Fugleman

● Chapellany

● Sextain

● Unqueen

● Administrative district

● Burghmaster

● Boroughmaster

● Senarius

● Minister of state

● Toparchy

● Earl marshal

● Pontificality

● Septemvirate

● Centumviral

● Cardinal number

● Nomarchy

● Praemunire

● Septempartite

● Qualificator

● Borsholder

● Irenarch

● Unition

● Ordinal number

● Theandric

● Patriarchism

● Logothete

● Command performance

● Tricorporal

● Chorepiscopus

● Regalism

● Choragus

● Interventor

● Rogue state

● Quadripartition

● Sponsion

● Regnative

● Chief of state

● Triduan

● Feodary

● Pentecoster

● Exauthorate

● Corypheus

● Knight marshal

● Harmost

● Androcracy

● Significavit

● Preconize

● Horometry

● Prorector