principatus

dominatio – domination, dominion, lordship
dominatus – domination, mastery, rule, tyranny
dominium – domination, dominion, lordship
formula – formula, physical beauty, principle, rule
imperium – authority, command, control, power to command, realm, rule, sovereignty
mos – custom, customs, inclination, manners habit, moris, rule, usage, will, wont
ordinatio – arrangment, government, order, regulation, rule
regimen – guidance, rule
regno – predominate, rule, to reign
regnum – authority, kingdom, realm, rule

principium – beginning
principor – to rule
constipatus – surrounded
inculpatus – guiltless, innocent, without blame
actus – moving through
aestus – passionate fire
altus – ancient, deep, great, high, matured, noble, old, secret
aptus – appropriate, connected, fastened, fitted, fitted out, fitting, prepared, qualified, suitable
artus – limbs
astus – cunning

prin·ci·pa·tus[1]