off vs burke

off is an adjective but burke is not an adjective.

Word	Noun	Adjective	Verb	Adverb
off	No	Yes	Yes	Yes
burke	No	No	Yes	No

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

Other hyponyms of off include execute.

off (adjective)	burke (adjective)
not in operation or operational
(of events) no longer planned or scheduled
not performing or scheduled for duties
in an unpalatable state
below a satisfactory level

off (verb)	burke (verb)
kill intentionally and with premeditation	get rid of, silence, or suppress
	murder without leaving a trace on the body

off (adverb)	burke (adverb)
at a distance in space or time
from a particular thing or place or position (`forth' is obsolete)
no longer on or in contact or attached