Be on
Be on verb - Appear in a show, on T.V. or radio.
Spread and be on are semantically related. in be situated topic. In some cases you can use "Spread" instead a verb phrase "Be on".
Spread
Spread verb - To cause to be known over a considerable area or by many people.
Both terms in one sentence
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For example, when she creates rainbows purely for show, they tend to be on fire and the fire will easily spread to things that shouldn't be flammable, like stone and metal.
Source: Inept Mage - However normally the opened door will be on the other side of the vault, so the ghouls often spread out when they are released and you can seldom be sure that you've eliminated all the free ghouls.
Source: Monster Closet -
The narrator even notes how ridiculous the idea of such zombies destroying the world should be on paper, saying that it's only because the world had grown so interconnected, and the people so apathetic, that the zombie plague managed to spread so far and so fast.
Cite this Source
Spread and Be on. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/be_on/spread
Be on & Spread. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/be_on/spread>.
Spread or Be on. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/be_on/spread.
Google Ngram Viewer shows how "be on" and "spread" have occurred on timeline