Come up
Come up verb - To come to one's attention especially gradually or unexpectedly.
Usage example: let me know if anything else comes up during the project
Fall out
Fall out verb - To express different opinions about something often angrily.
Mutual synonyms
Both terms in one sentence
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It can cause world wars to observe the results or it will come up with a mathematical formula to determine when the next drop will fall out of a leaky faucet.
Source: A.I. Is a Crapshoot -
The plot of the first episode comes about, in part, because two bored bridge crew members try to come up with a sequence of manoeuvres that will make the cyborg fall out of her alcove.
Source: Unusual User Interface -
According to several books on the series, McGoohan was given only a few days to come up with the Wham Episode finale, "Fall Out." In order to complete the script on time, Kenneth Griffiths, cast as the Judge, was asked to write his own dialogue.
Source: Series / The Prisoner (1967)
Cite this Source
Fall out and Come up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/come_up/fall_out
Come up & Fall out. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/come_up/fall_out>.
Fall out or Come up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/come_up/fall_out.
Google Ngram Viewer shows how "come up" and "fall out" have occurred on timeline