ago

As a noun year

is the time it takes the earth to complete one revolution of the sun (between 36524 and 36526 days depending on the point of reference).

As a symbol ago is

the iso 3166-1 three-letter (alpha-3) code for angola.

As a preposition pre

is before (something significant).

As a noun pre

is (slang) precum, cowper's fluid, pre-ejaculate.

As a verb pre

is (slang) to precum, to pre-ejaculate.

As a symbol ago is

the iso 3166-1 three-letter (alpha-3) code for angola.

As a symbol ago

is the iso 3166-1 three-letter (alpha-3) code for angola.

As a noun prior is

prior (high-ranking member of a monastery).

As adjectives the difference between ancient and ago

is that ancient is having lasted from a remote period; having been of long duration; of great age; very old while ago is gone; gone by; gone away; passed; passed away.

As a noun ancient

is a person who is very old.

As a preposition ago is

in the past.

As adjectives the difference between ago and now

is that ago is gone; gone by; gone away; passed; passed away while now is present; current.

As a preposition ago

is in the past.

As an adverb now is

at the present time.

As a conjunction now is

since something is true : because of the fact that something happened.

As an interjection now is

indicates a signal to begin.

As a noun now is

the present time.

As an acronym NOW is

national Organization for Women.

As prepositions the difference between ago and against

is that ago is in the past while against is A close but separated relationship.

As an adjective ago

is gone; gone by; gone away; passed; passed away.

As a conjunction against is

by the time that (something happened); before.

As an adverb against is

in opposition to something.