extant

As an adjective extant

is still in existence.

As a verb existed is

(exist).

As an adjective extant

is still in existence.

As a verb establish is

to make stable or firm; to confirm.

As adjectives the difference between extant and established

is that extant is still in existence while established is of a religion, church etc: formally recognized by a state as being official within that area.

As a verb established is

(establish).

As an adjective extant

is still in existence.

As a verb expound is

to lay open; to expose to view; to examine or exposit.

As adjectives the difference between inert and extant

is that inert is unable to move or act; inanimate while extant is still in existence.

As a noun inert

is (chemistry) a substance that does not react chemically.

As adjectives the difference between persistent and extant

is that persistent is obstinately refusing to give up or let go while extant is still in existence.

As an adjective extant

is still in existence.

As a verb preserved is

(preserve).

As an adjective extant

is still in existence.

As a noun vast is

west (compass point).

As adjectives the difference between extant and recent

is that extant is still in existence while recent is having happened a short while ago.

As an adjective extant

is still in existence.

As a noun size is

subject, topic.