"commonalities" meaning in English

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          "ref": "2009 January, David M. Bressoud, “Is the Sky Still Falling?”, in Notices of the American Mathematical Society, 56:1http://www.ams.org/notices/200901/, page 23",
          "text": "The answers to these questions will necessarily be local, highly dependent on the nature of a given college or university, but the entire mathematical community should be able to identify commonalities among similar types of institutions.",
          "type": "quotation"
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          "ref": "2020 April 8, Dr David Turner, “How railway staff were conduits and victims of a pandemic”, in Rail, page 30",
          "text": "Commonalities between past pandemics and current events are also found in the understanding that the close quarters of public transport facilitate the transmission of infectious diseases.",
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        "plural of commonality"
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  "word": "commonalities"
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  "lang_code": "en",
  "pos": "noun",
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          "text": "The answers to these questions will necessarily be local, highly dependent on the nature of a given college or university, but the entire mathematical community should be able to identify commonalities among similar types of institutions.",
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          "ref": "2020 April 8, Dr David Turner, “How railway staff were conduits and victims of a pandemic”, in Rail, page 30",
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