jerk off vs jack off

jerk off and jack off both are verbs.

Word	Noun	Adjective	Verb	Adverb
jerk off	No	No	Yes	No
jack off	No	No	Yes	No

As verbs, jerk off and jack off are synonyms defined as:

jerk off and jack off: get sexual gratification through self-stimulation

Other synonyms of jerk off include fuck off, masturbate, she-bop, wank.

jerk off (verb)	jack off (verb)
get sexual gratification through self-stimulation	get sexual gratification through self-stimulation