Extend
Vary
Vary verb - To occur within a continuous range of variation.
Usage example: the appliance store is offering discounts that vary from 10 to 40 percent, depending upon the brand
Extend is a synonym for vary in change topic. Sometimes you can use "Extend" instead a verb "Vary", if it concerns topics such as range, diversify.
Common collocations
Both words in one sentence
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Dynasty Warriors uses trays of Dim Sum to extend the Life Meter, though the RPG Elements might also affect it (this might vary by title).
Source: Heart Container -
Warframe's "Daedalus" cosmetic armor adds a pair of shoulder guards, which vary in size depending on which Warframe they are mounted on; on slender frames like Banshee they are relatively small, whereas on the bulky Vauban they extend all the way to the top of the suit's head.
Source: Vertical Mecha Fins
Cite this Source
Vary and Extend. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extend/vary
Extend & Vary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extend/vary>.
Vary or Extend. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extend/vary.
Google Ngram Viewer shows how "extend" and "vary" have occurred on timeline