Optional extra
Supplement and optional extra are semantically related. In some cases you can use "Supplement" instead a noun phrase "Optional extra".
Supplement
Supplement noun - Something added (as by growth).
Optional extra and supplement are semantically related. You can use "Optional extra" instead a noun "Supplement".
Mutual synonyms
Related pairs
- attachment and optional extra
- attachment and supplement
- addition and optional extra
- addition and supplement
- adjunct and optional extra
- adjunct and supplement
- addendum and optional extra
- addendum and supplement
- accessory and optional extra
- accessory and supplement
- extension and optional extra
- extension and supplement
- appendage and optional extra
- appendage and supplement
Cite this Source
Supplement and Optional extra. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/optional_extra/supplement
Optional extra & Supplement. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/optional_extra/supplement>.
Supplement or Optional extra. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/optional_extra/supplement.
Google Ngram Viewer shows how "optional extra" and "supplement" have occurred on timeline