ogress

As nouns the difference between ogres and ogress

is that ogres is plural of lang=en while ogress is a female ogre.

As nouns the difference between egress and ogress

is that egress is an exit or way out while ogress is a female ogre or ogress can be (heraldiccharge) a roundel sable.

As a verb egress

is to exit or leave; to go or come out.

Agress is likely misspelled.

Agress has no English definition.

As a noun ogress is

a female ogre.