oligarchy

As an adjective tyrannical

is (not comparable) of, or relating to tyranny or a tyrant.

As a noun oligarchy is

a government run by only a few, often the wealthy.

As nouns the difference between oligarchy and gerontocracy

is that oligarchy is a government run by only a few, often the wealthy while gerontocracy is government by elders.

As nouns the difference between cartel and oligarchy

is that cartel is cartel while oligarchy is a government run by only a few, often the wealthy.

As a noun oligarchy

is a government run by only a few, often the wealthy.

As an adjective feline is

.

As a noun oligarchy

is a government run by only a few, often the wealthy.

As an adjective felines is

.

As a noun oligarchy

is a government run by only a few, often the wealthy.

As an adjective autocratic is

of or pertaining to autocracy or to an autocrat; absolute; holding independent and arbitrary powers of government.

As nouns the difference between tyrant and oligarchy

is that tyrant is (historic|ancient greece) a usurper; one who gains power and rules extralegally, distinguished from kings elevated by election or succession while oligarchy is a government run by only a few, often the wealthy.

As an adjective tyrant

is (uncommon) tyrannical, tyrannous; like, characteristic of, or in the manner of a tyrant.

As a verb tyrant

is (obsolete) to act like a tyrant; to be tyrannical.

As a noun oligarchy

is a government run by only a few, often the wealthy.

As an adjective centralized is

having things physically towards the center; consolidated or concentrated.

As a verb centralized is

past tense of centralize.

As nouns the difference between oligarchy and dictator

is that oligarchy is a government run by only a few, often the wealthy while dictator is originally, a magistrate without colleague in republican ancient Rome, who held full executive authority for a term granted by the senate (legislature), typically to conduct a war.

As nouns the difference between oligarchy and tycoon

is that oligarchy is a government run by only a few, often the wealthy while tycoon is a wealthy and powerful business person.