special

As an adjective special

is special.

As a noun specials is

.

As adjectives the difference between special and usual

is that special is special while usual is most commonly occurring.

As an adjective special

is special.

As a noun privilege is

.

As adjectives the difference between common and special

is that common is mutual; shared by more than one while special is special.

As a noun common

is mutual good, shared by more than one.

As a verb common

is (obsolete) to communicate (something).

As an adjective special

is special.

As a noun premium is

bonus (extra amount of money given as a premium).

As adjectives the difference between privileged and special

is that privileged is having special privileges while special is special.

As a verb privileged

is (privilege).

As an adjective special

is special.

As a proper noun good is

.

As adjectives the difference between perfect and special

is that perfect is fitting its definition precisely while special is special.

As a noun perfect

is (grammar) the perfect tense, or a form in that tense.

As a verb perfect

is to make perfect; to improve or hone.

As a noun communism

is the ideology of political parties that use the term communist in their names, usually marxist and leninist.

As an adjective special is

special.

As adjectives the difference between special and undefined

is that special is special while undefined is lacking a definition or value.