ex

As nouns the difference between ex and ancient

is that ex is ex-girlfriend or ex can be ex-boyfriend while ancient is a person who is very old.

As an adjective ancient is

having lasted from a remote period; having been of long duration; of great age; very old.

As an initialism xr

is extended release.

As a noun ex is

ex-girlfriend or ex can be ex-boyfriend.

As a noun ex

is ex-girlfriend or ex can be ex-boyfriend.

As an initialism ect is

electroconvulsive therapy.

As nouns the difference between ex and null

is that ex is ex-girlfriend or ex can be ex-boyfriend while null is zero, nil; the cardinal number before einn.