different between jiggler vs giggler

English

Etymology

jiggle +? -er

Pronunciation

Noun

jiggler (plural jigglers)

1. Someone or something that jiggles.
2. (slang) A key, now especially a car key, that has been partially ground down so that it will open many locks.
   • 1937, Journal of Criminal Law and Criminology

     This may be accomplished by means of jiggler keys used for opening door locks. Such keys are of two types: those for opening locks having two sets of tumblers, and those for opening locks having only one set.

   • 2011, Seattle Meth and Car Theft (page 120)

     I knew about the whole key “jigglers.” Basically, random car keys are shaved down with a file, rounding out sharp edges.

English

Etymology

giggle +? -er

Noun

giggler (plural gigglers)

1. A person who giggles.
   • 1918, Carl Sandburg, "Band Concert" in Cornhuskers, p. 24, [1]

     Band concert public square Nebraska city. Flowing and circling dresses, summer-white dresses. Faces, flesh tints flung like sprays of cherry blossoms. And gigglers, God knows, gigglers, rivaling the pony whinnies of the Livery Stable Blues.

   • 1967, Nadine Gordimer, "An Intruder" in Livingstone's Companions, New York: Viking, 1971, p. 83,

     She was not a giggler, despite her extreme youth, and she smiled the small slow smile that men brought to her face without knowing why.