How to Use co-occur in a Sentence

co-occur

verb
  • Diseases that tend to co-occur often present themselves consecutively.
    — Benjamin P. Brown, The Conversation, 7 Apr. 2026
  • In the world of language, there are certain trends in terms of words that frequently co-occur in phrases or sentences together, some-thing called collocation.
    — Literary Hub, 21 Apr. 2026
  • It’s not known if Victoria Jones also had a co-occurring mental illness but the past year had become increasingly turbulent for her.
    — Martha Ross, Mercury News, 8 Jan. 2026
  • Postprandial hypotension is common in older adults and often co-occurs with orthostatic hypotension.
    — Colleen Doherty, Verywell Health, 16 Aug. 2025
  • Though it should be noted that these programs do not directly address co-occurring mental health issues and could unintentionally reinforce unhelpful behaviors.
    — Gwilym Roddick, The Orlando Sentinel, 8 Mar. 2026
  • Currently, research is shifting to examine not only how the collaborative care model can address substance abuse symptoms but also the co-occurring mental health conditions.
    — MSNBC Newsweek, 18 Aug. 2025
  • That’s when a team of evolutionary biologists noticed that many of the physical traits that co-occur with domestication trace back to an important group of cells during embryonic development called neural crest cells.
    — Marina Wang, Scientific American, 14 Nov. 2025
  • In the morning session, other members brought up proposals aimed at decreasing the risk of autistic people wandering out of safe areas and risking injury and increasing recognition about the role that co-occurring illnesses play with autistic people.
    — O. Rose Broderick, STAT, 28 Apr. 2026
  • Psychiatric problems that often co-occur with ADHD, such as anxiety or depression, can worsen ADHD symptoms that are already present.
    — Carol Mathews, The Conversation, 15 Oct. 2025
  • Another key point is that overdose is disproportionately impacting vulnerable groups including women, people of color, rural populations and individuals with co-occurring mental illness.
    — Lipi Roy, Forbes.com, 28 Aug. 2025
  • That help is critical since the disorder is associated with co-occurring mental health issues, a lower quality of life and life expectancy, and higher rates of disability, according to the National Institute of Mental Health.
    — Kristen Rogers, CNN Money, 2 Sep. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'co-occur.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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