Extra and Supplement

Extra

Extra noun - An interchangeable part or piece of equipment that is kept on hand for replacement of an original.

Supplement is a synonym for extra in addition topic. In some cases you can use "Supplement" instead a noun "Extra", when it comes to topics like accessory.

Supplement

Supplement noun - Something added (as by growth).

Extra is a synonym for supplement in addition topic. You can use "Extra" instead a noun "Supplement", if it concerns topics such as something added.

How words are described

old old extra old supplement
special special extra special supplement
best best extra best supplement
free free extra free supplement
Other adjectives: small, temporary, occasional, comic, recent, generic, optional, promotional.

Both words in one sentence

  • Extra Turn The 3.5 supplement the Expanded Psionics Handbook has the power Temporal Acceleration that grants extra turns.
    Source: Extra Turn
  • Repeatables can also be designed to supplement said main quests if both have similar or identical objectives, allowing players to squeeze some extra profit from their first playthrough of an area.
  • Hypnosis Proof Dogs: In some editions, this is explicitly a part of mind-affecting powers—in order to affect animals, you have to buy it with extra points (or sacrifice the Human mind category.) I Know Your True Name: Hero System supplement Fantasy Hero Companion.
Cite this Source
Supplement and Extra. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/extra/supplement
Extra & Supplement. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/extra/supplement>.
Supplement or Extra. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/extra/supplement.
Google Ngram Viewer shows how "extra" and "supplement" have occurred on timeline