abscise vs shake off

abscise and shake off both are verbs.

Word	Noun	Adjective	Verb	Adverb
abscise	No	No	Yes	No
shake off	No	No	Yes	No

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

abscise: shed flowers and leaves and fruit following formation of a scar tissue
shake off: to remove

Other hypernyms of abscise include cast, cast off, drop, shed, throw, throw away, throw off.

abscise (verb)	shake off (verb)
remove or separate by abscission	to remove
shed flowers and leaves and fruit following formation of a scar tissue	get rid of