detach vs chop off

detach and chop off both are verbs.

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

As verbs, chop off is a hyponym of detach; that is, chop off is a word with a more specific, narrower meaning than detach:

Other hyponyms of detach include blow off, cut off, lop off, unsolder, fall off.

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