zipper = la cremarella
(some places call it "el zíper")
cremallera
Zipper is a noun. The verb is zip. I don't need to zip it up.
yes
rokhsan (רוכסן)
Zip, zipped and zipper
Not even close.
The word 'zip' is used as an informal noun as a word for a zipper, for energy, or for zero. The noun forms of the verb to zip are zipper and the gerund, zipping.
zoologist
Zip, zipped and zipper
zipper, zap, and zig zag
B.F. Goodrich
zoology, zoologist