Accumulate
Accumulate verb - To become greater in extent, volume, amount, or number.
Usage example: the number of complaints about that mail order firm is really accumulating
Expand is a synonym for accumulate in gather or amass something topic. In some cases you can use "Expand" instead a verb "Accumulate".
Expand
Expand verb - To make greater in size, amount, or number.
Usage example: we had to expand the list of wedding guests several times in order to accommodate all the relatives Mother wouldn't dream of excluding
Mutual synonyms
Common collocations
Both words in one sentence
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From the point the party begins to expand, though, you accumulate lots of heavy-hitting melee ladies and a couple of ranged-fighter men.
Source: Guys Smash, Girls Shoot - However, like all other character classes, they have to accumulate experience points and gain levels in order to expand their spells known and how powerful the spells they can cast are.
Source: Training the Gift of Magic
Cite this Source
Expand and Accumulate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/accumulate/expand
Accumulate & Expand. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/accumulate/expand>.
Expand or Accumulate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/accumulate/expand.
Google Ngram Viewer shows how "accumulate" and "expand" have occurred on timeline