Extra
Extra noun - An interchangeable part or piece of equipment that is kept on hand for replacement of an original.
New part
Cite this Source
New part and Extra. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/extra/new_part
Extra & New part. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/extra/new_part>.
New part or Extra. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/extra/new_part.
Google Ngram Viewer shows how "extra" and "new part" have occurred on timeline