as in accumulates
to gradually form into a layer, pile, or mass
those newspapers have been stacking up in the basement since we moved here
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Recent Examples of Synonyms for stacks (up)
accumulates
Verb
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Just be sure to target the roots, which is where the oil accumulates and really starts to weigh things down.—
Adam Hurly,
Robb Report,
2 Jan. 2026 -
Here, nitrate disappears entirely and hydrogen sulfide accumulates, signaling a fundamental change in how energy flows through the system.—
New Atlas,
New Atlas,
28 Dec. 2025
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“Stacks (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stacks%20%28up%29. Accessed 10 Jan. 2026.
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