Collection
Collection noun - A mass or quantity that has piled up or that has been gathered over a period of time.
Usage example: a collection of lint underneath the dryer
Mass is a synonym for collection in accumulation topic. In some cases you can use "Mass" instead a noun "Collection", when it comes to topics like thing, group, quantity, heap.
Mass
Mass noun - An ill-structured collection of similar things (objects or people).
Collection is a synonym for mass in concentration topic. You can use "Collection" instead a noun "Mass", if it concerns topics such as lot, quantity, heap, pile.
Mutual synonyms
How words are described
| sentient | sentient collection | sentient mass |
| full | full collection | full mass |
| similar | similar collection | similar mass |
| complete | complete collection | complete mass |
| Other adjectives: original, endless, infinite, single, small, entire, large, big, great, enormous, huge, little, living, gigantic, vast, different, giant. | ||
Both words in one sentence
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Not only is it even more surreal than the rest of Outland, being just a collection of massive floating rocks instead of a single land mass, no one knows where it came from.
Source: Eldritch Location -
Mass Effect 2 - In the Kasumi DLC, Donovan Hock, the man whose manor you're infiltrating, has a large collection of various ancient (or at least very old) artifacts.
Source: Monumental Damage - Asskicking Equals Authority: How Grunt asserts his command of Aralakh Company (essentially a collection of the best warriors from every krogan clan on Tuchanka) in Mass Effect 3.
Cite this Source
Mass and Collection. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/collection/mass
Collection & Mass. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/collection/mass>.
Mass or Collection. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/collection/mass.
Google Ngram Viewer shows how "collection" and "mass" have occurred on timeline