collet vs collet chuck

collet and collet chuck both are nouns.

Word	Noun	Adjective	Verb	Adverb
collet	Yes	No	No	No
collet chuck	Yes	No	No	No

As nouns, collet and collet chuck are synonyms defined as:

collet and collet chuck: a cone-shaped chuck used for holding cylindrical pieces in a lathe

collet (noun)	collet chuck (noun)
a band or collar that holds an individual stone in a jewelry setting	a cone-shaped chuck used for holding cylindrical pieces in a lathe
a metal cap or band placed on a wooden pole to prevent splitting
a cone-shaped chuck used for holding cylindrical pieces in a lathe