Synonyms for Bc:

n.

00s, calendar, B, biannual, C, academic year, annual. al, ar, ala, ark, alas, ARIZ, ca, ak, az. before Christ (noun)
ancient, pre-Christian, ac, before the Common Era, BCE, before the Christian Era.

Other synonyms:

academic year, az, ark, ak, biannual, C, ar, ca, al, ala, calendar, B, annual, BCE, ARIZ, alas.