BI: Twice, double

Question 0

Biennial

Answer 0

Happening every two years

Question 1

Binocular

Answer 1

Involving two eyes

Question 2

Bilateral

Answer 2

Pertaining to or affecting two or both sides

Question 3

Bilingual

Answer 3

Able to speak one’s native language and another with equal facility

Question 4

Bipartisan

Answer 4

Rig presenting two parties

Question 5

BI

Answer 5

Twice, double