Auxiliary
Auxiliary noun - Someone who acts as an assistant.
Optional extra and auxiliary are semantically related. In some cases you can use "Optional extra" instead a noun "Auxiliary".
Optional extra
Auxiliary and optional extra are semantically related. You can use "Auxiliary" instead a noun phrase "Optional extra".
Mutual synonyms
Related pairs
- attachment and auxiliary
- attachment and optional extra
- addition and auxiliary
- addition and optional extra
- adjunct and auxiliary
- adjunct and optional extra
- addendum and auxiliary
- addendum and optional extra
- accessory and auxiliary
- accessory and optional extra
- extension and auxiliary
- extension and optional extra
- appendage and auxiliary
- appendage and optional extra
Cite this Source
Optional extra and Auxiliary. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/auxiliary/optional_extra
Auxiliary & Optional extra. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/auxiliary/optional_extra>.
Optional extra or Auxiliary. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/auxiliary/optional_extra.
Google Ngram Viewer shows how "auxiliary" and "optional extra" have occurred on timeline