Face
Face noun - The front part of the head.
Underside
Underside noun - The side or part facing downward from something.
Usage example: the underside of the cat's coat is pure white
Both words in one sentence
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They are a beetle with her head which she can retract in, a bee which has her face on top of its forehead, and a spider which has her face on its underside.
Source: Beast with a Human Face -
The entire screen become the alien's underside with a very phallic tube swinging around in front of your face, implied to be going in your mouth (which can't be seen, since it's an FPS).
Source: Face Full of Alien Wing-Wong - On the often-aired commercials for the series V (2009), the underside of the alien spacecraft was a huge video screen displaying the smiling face of their leader, Anna.
Source: Is This Thing On?
Cite this Source
Underside and Face. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/face/underside
Face & Underside. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/face/underside>.
Underside or Face. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/face/underside.
Google Ngram Viewer shows how "face" and "underside" have occurred on timeline