shark repellent vs porcupine provision

shark repellent and porcupine provision both are nouns.

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

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

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

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