Crop up
Crop up verb - Appear suddenly or unexpectedly.
Pop
Pop verb - Appear suddenly or unexpectedly.
Usage example: He suddenly popped up out of nowhere
Both terms in one sentence
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Many of the Sci-Fi horrors on Fringe crop up in Massachusetts or Upstate New York milieus that would be right at home with Lovecraft or King, although they just as often pop up in urban areas as well.
Source: Lovecraft Country
Cite this Source
Pop and Crop up. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/crop_up/pop
Crop up & Pop. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/crop_up/pop>.
Pop or Crop up. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/crop_up/pop.
Google Ngram Viewer shows how "crop up" and "pop" have occurred on timeline