Add
Add verb - To join (something) to a mass, quantity, or number so as to bring about an overall increase.
Upgrade
Upgrade verb - To move higher in rank or position.
Mutual synonyms
Common collocations
Both words in one sentence
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The lack of equipment enhancement from socketing is compensated for by nearly everything being enchanted, and there being several ways to upgrade or add enchantments.
Source: Socketed Equipment - It's the reason HEX seems to add or upgrade parts of its own accord, and part of the reason that not using magic is one of the most important skills a wizard can utilize.
Source: Sentient Cosmic Force - More Dakka: If you're getting overwhelmed by the sheer number of ships in a particular wave, just add more guns (or upgrade the ones you have already.) Stylistic Suck: When you initially purchase anything graphics or sound-wise, it will look/sound like crap until you upgrade it some more.
Source: Video Game / Upgrade Complete
Cite this Source
Upgrade and Add. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/add/upgrade
Add & Upgrade. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/add/upgrade>.
Upgrade or Add. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/add/upgrade.
Google Ngram Viewer shows how "add" and "upgrade" have occurred on timeline