Pop up
Pop up verb - Appear suddenly or unexpectedly.
Surface and pop up are semantically related. in come into sight topic. In some cases you can use "Surface" instead a verb "Pop up".
Surface
Surface verb - To come to one's attention especially gradually or unexpectedly.
Mutual synonyms
Both terms in one sentence
- Heinlein's Starship Troopers features bug colonies had vast underground tunnel networks that allowed them to pop up and attack the MI on the surface of the planet.
Source: Tunnel Network - Megalon, the Toho Tunnel King, can dig beneath the surface to the enemy Kaiju and pop up for a not-so-sneak attack in Godzilla: Destroy All Monsters Melee!.
Source: Dig Attack
Cite this Source
Surface and Pop up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/pop_up/surface
Pop up & Surface. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/pop_up/surface>.
Surface or Pop up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/pop_up/surface.
Google Ngram Viewer shows how "pop up" and "surface" have occurred on timeline