Button
Zipper
Zipper noun - A fastener for locking together two toothed edges by means of a sliding tab.
Mutual synonyms
Both words in one sentence
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Nobody can agree on whether or not her usual outfit leaves her belly button exposed or not, her shorts sometimes have a button and zipper on the crotch but usually don't, and her feline ears are colored purple in the first season but black everywhere else.
Source: Depending on the Artist -
When Tommy Ohtsuka drew her in the Marvel Mangaverse, the zipper (if there even was one) rests eight centimeters below the belly button.
Source: Absolute Cleavage -
It also ignores how painful sex with a metal zipper rubbing up against the genitals could be (although this particular problem could presumably be averted by having the male wear pants with a button-up fly instead).
Source: Right Through His Pants
Cite this Source
Zipper and Button. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/button/zipper
Button & Zipper. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/button/zipper>.
Zipper or Button. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/button/zipper.
Google Ngram Viewer shows how "button" and "zipper" have occurred on timeline