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in the PONS Dictionary

pro·fi·cien·cy [prəˈfɪʃən(t)si] N no pl

proficiency
proficiency
Können nt <-s>
proficiency at one's job
proficiency in a language
to test sb's proficiency in maths

pro·ˈfi·cien·cy exam N

proficiency exam
Leistungstest m <-(e)s, -s>

pro·ˈfi·cien·cy test N

proficiency test
Leistungstest m <-(e)s, -s>
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