choking coil vs choke coil

choking coil and choke coil both are nouns.

Word	Noun	Adjective	Verb	Adverb
choking coil	Yes	No	No	No
choke coil	Yes	No	No	No

As nouns, choking coil and choke coil are synonyms defined as:

choking coil and choke coil: a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current

Other synonyms of choking coil include choke.

choking coil (noun)	choke coil (noun)
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current	a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current