let go of vs let go

let go of and let go both are verbs.

Word	Noun	Adjective	Verb	Adverb
let go of	No	No	Yes	No
let go	No	No	Yes	No

As verbs, let go of and let go are synonyms defined as:

Other synonyms of let go of include release, relinquish.

let go of (verb)	let go (verb)
release, as from one's grip	release, as from one's grip
	be relaxed