As nouns the difference between stylet and stilet
is that stylet is a slender medical probe or device while stilet is stylet.
stylet
English
Noun
(
en noun)
A slender medical probe or device.
(zoology) A stiff, slender organ of an animal.
(botany) A style of a plant's flower.
A stiletto or poniard.
An engraving tool, a stylus.