Dear Sir
Words and phrases can have multiple meanings in many languages English and Arabic are no Exception.So Credit has many meanings ..you can pick the ONE which you need.Thank you
شرف--سمعة--ثقة و مفخرة--تسليف وائتمان--تصديق--رصيد دائن
you can use google translate ...which can translate a word..paragraph..or a whole text.There is also Answer.com..and babylon..All in the internet.Avoid Babylon as it it may have Spying element.