Statistics for "Bi" Vocabulary Words

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Definition	Word	% Correct
Two-wheeled conveyance	Bicycle	93%
Speaking two languages	Bilingual	93%
One attracted to either men or women	Bisexual	93%
Telescope for two eyes	Binoculars	89%
Disorder previously known as manic depression	Bipolar	87%
Two-headed muscle of the upper arm	Biceps	86%
Number system using only 0 and 1	Binary	82%
Occurring every 14 days	Biweekly	79%
200th anniversary	Bicentennial	70%
Glasses with different lenses for near and far	Bifocals	70%
Two-footed animal	Biped	67%
Event which combines skiing and shooting	Biathlon	66%
To cut in two	Bisect	66%
Supported by both Republicans and Democrats	Bipartisan	58%
Older aircraft with two sets of wings	Biplane	55%
One with two wives	Bigamist	49%
Having two legislative houses	Bicameral	35%
Type of mollusk	Bivalve	32%
Tooth between the incisors and molars	Bicuspid	30%
Like a trade agreement between two parties	Bilateral	30%