bicentennial

n = bicentenary.

biannual, biannually, bias, bias binding, biased, bib, bible, bible-bashing, bible-punching, biblical, biblio-, bibliographer, bibliographical, bibliography, bibliophile, bibulous, bicameral, bicarb, bicarbonate, bicarbonate of soda, bicentenary, bicker, bicycle, bicycle-clip, bicyclist, bid, biddable, bidder, bidding, bide, bidet, biennial, biennially, bier, biff, bifocal, bifocals, bifurcate, bifurcation, big, big bang hypothetical,