Add
Add verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.
Usage example: add another cup of flour to the mixture
Complement and add are semantically related. In some cases you can use "Complement" instead a verb "Add".
Complement
Complement verb - To serve as a completing element to.
Add and complement are semantically related. Sometimes you can use "Add" instead a verb "Complement".
Common collocations
Cite this Source
Complement and Add. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/add/complement
Add & Complement. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/add/complement>.
Complement or Add. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/add/complement.
Google Ngram Viewer shows how "add" and "complement" have occurred on timeline