equivalency

noun
1
equivalence(= the fact or state of being equal in value, amount, meaning, importance, etc.)
برابری, تساوی, هم‌ارزی
2
short for ‘General Equivalency Diploma’(= an official certificate that people who did not finish high school can get, after taking classes and passing a test)
دیپلم معادل, دیپلم عمومی معادل
see also GED