serail

As nouns the difference between serail and derail

is that serail is a seraglio while derail is a device placed on railway tracks causing a train to derail.

As a verb derail is

to cause to come off the tracks.

As a verb rerail

is to replace on the rails.

As a noun serail is

a seraglio.

As nouns the difference between serial and serail

is that serial is series (television or radio program) while serail is a seraglio.

As a noun serail

is a seraglio.

As an adjective seral is

of or pertaining to a sere.

As nouns the difference between serai and serail

is that serai is a palace; a seraglio while serail is a seraglio.

As nouns the difference between seraglio and serail

is that seraglio is the palace of the Grand Seignior in Constantinople while serail is a seraglio.