porcupine provision vs shark repellent

porcupine provision and shark repellent both are nouns.

Word	Noun	Adjective	Verb	Adverb
porcupine provision	Yes	No	No	No
shark repellent	Yes	No	No	No

As nouns, porcupine provision and shark repellent are synonyms defined as:

porcupine provision and shark repellent: a measure undertaken by a corporation to discourage unwanted takeover attempts

porcupine provision (noun)	shark repellent (noun)
a measure undertaken by a corporation to discourage unwanted takeover attempts	a measure undertaken by a corporation to discourage unwanted takeover attempts