Appendix vs Postscript - What's the difference?

As nouns the difference between appendix and postscript

is that appendix is something attached to something else; an attachment or accompaniment while postscript is 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.

appendix

English

(wikipedia appendix)

Noun

(en-noun)

Something attached to something else; an attachment or accompaniment.

*, vol.I, New York 2001, p.244:

idleness is an appendix to nobility; they count it a disgrace to work, and spend all their days in sports, recreations, and pastimes […].

Specifically, a text added to the end of a book or an article, containing information that is important to but is not the main idea of the main text.

(anatomy) The vermiform appendix, an inner organ without known use that can become inflamed.

Usage notes

The correct plural of depends on the circumstances. When referring to the text at the end of a book or article, the plural is usually stated as appendices, although often as appendixes. Either is correct in standard usage. In the sense of the organ, appendixes is the only plural. Compare vacuum, which can pluralize to vacua or vacuums depending on the meaning.

Derived terms

* appendical * appendicitis * appendectomy

postscript

English

Alternative forms

* post script * postscriptum (post scriptum) * PS (, etc.)

Noun

(en noun)

(countable) An addendum to a letter, added after the author’s signature.

(countable) An addition to a story, play, etc.

Usage notes

To indicate the beginning of a postscript to a letter, one often uses the abbreviation PS'' (or '' , etc) followed by a colon or comma.

Verb

(en verb)

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