shed vs shake off

shed is a noun but shake off is not a noun.

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

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

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

As verbs, shed and shake off are synonyms defined as:

Other synonyms of shed include cast, cast off, drop, throw, throw away, throw off.

shed (noun)	shake off (noun)
an outbuilding with a single story; used for shelter or storage

shed (adjective)	shake off (adjective)
shed at an early stage of development

shed (verb)	shake off (verb)
cast off hair, skin, horn, or feathers	to remove
cause or allow (a solid substance) to flow or run out or over	get rid of
to remove
pour out in drops or small quantities or as if in drops or small quantities