codicil

As nouns the difference between codex and codicil

is that codex is while codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one.

As a noun codicil

is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one.

As an adjective undefined is

lacking a definition or value.

Appendix is a synonym of codicil.

As nouns the difference between appendix and codicil

is that appendix is something attached to something else; an attachment or accompaniment while codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one.

As nouns the difference between codicil and appendage

is that codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one while appendage is an external body part that projects from the body.

In legal|lang=en terms the difference between codicil and attachment

is that codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one while attachment is (legal) taking a person's property to satisfy a court-ordered debt.

As nouns the difference between codicil and attachment

is that codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one while attachment is the act or process of (physically or figuratively) attaching.

As nouns the difference between codicil and postscript

is that codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one while postscript is (countable) an addendum to a letter, added after the author’s signature.

As a verb postscript is

to extend (a letter or another document) with additional remarks.

As nouns the difference between codicil and afterthought

is that codicil is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one while afterthought is a reflection after an act; a later or subsequent thought, action, or expedient.

As a verb afterthought is

to expound as an afterthought.

As nouns the difference between section and codicil

is that section is a cutting; a part cut out from the rest of something while codicil is an addition or supplement that explains, modifies, or revokes a will or part of one.

As a verb section

is to cut, divide or separate into pieces.

As a noun codicil

is (legal) an addition or supplement that explains, modifies, or revokes a will or part of one.

As an adjective codical is

of or pertaining to a code or codex.