leave off vs leave out

leave off and leave out both are verbs.

Word	Noun	Adjective	Verb	Adverb
leave off	No	No	Yes	No
leave out	No	No	Yes	No

As verbs, leave off and leave out are synonyms defined as:

leave off and leave out: prevent from being included or considered or accepted

Other synonyms of leave off include except, exclude, omit, take out.

leave off (verb)	leave out (verb)
cease to use	leave undone or leave out
prevent from being included or considered or accepted	prevent from being included or considered or accepted
come to an end, stop or cease