The difference between Prerequisite and Requirement
When used as nouns, prerequisite means something that must be gained in order to gain something else, whereas requirement means a necessity or prerequisite.
Prerequisite is also adjective with the meaning: required as a prior condition of something else.
check bellow for the other definitions of Prerequisite and Requirement
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Prerequisite as an adjective:
Required as a prior condition of something else; necessary or indispensable.
Examples:
"The prerequisite warm-up to the match was ignored."
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Prerequisite as a noun:
Something that must be gained in order to gain something else
Examples:
"Having a decent qualification is a prerequisite to getting a good job in marketing."
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Prerequisite as a noun:
In education, a course or topic that must be completed before another course or topic can be started. May be colloquially referred to as a prereq.
Examples:
"Algebra is typically a prerequisite for physics''."
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Requirement as a noun:
A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom or what it is given to, and for in relation to what is required.
Examples:
"There was a requirement of the government on citizens for paying taxes."
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Requirement as a noun:
Something asked.
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Requirement as a noun (engineering, computing):
A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.