chop off vs detach

chop off and detach both are verbs.

Word	Noun	Adjective	Verb	Adverb
chop off	No	No	Yes	No
detach	No	No	Yes	No

As verbs, detach is a hypernym of chop off; that is, detach is a word with a broader meaning than chop off:

Other hypernyms of chop off include come away, come off.

chop off (verb)	detach (verb)
remove by or as if by cutting	come to be detached
	cause to become detached or separated; take off
	separate (a small unit) from a larger, especially for a special assignment