1. Biotic
   Biogas
2. Bionic
   Biotin

Bionic also refers to having anatomical structures or physiological processes that are replaced or enhanced by electronic or mechanical components.

1. Bigot
   Bindy
2. Bidet
   Bilby

This word comes from Old French. It was originally used as an insulting term for a Norman.

1. Bioregionalist
   Biostatistician
2. Biotechnologist
   Biochemist

Biostatistics are the application of statistics to the analysis of biological and medical data.

1. Bilateral
   Billboard
2. Bilingual
   Bisphoric

A person can also be bilingual if they can read and write two languages as well.

1. Biscuit
   Biliary
2. Bizonal
   Bizarre

Bizarre is French, but from the Italian language for bizzarro, meaning extravagant or capricious.

1. Bicultural
   Binational
2. Bipartisan
   Bimetallic

Republicans and Democrats often require bipartisanship in order to successfully pass bills.

1. Bister
   Billon
2. Bisque
   Biogas

Bisque can be made from meat, fish, or vegetables. The French also mix ice cream with crushed macaroons or nuts as a form of bisque.

1. Bicolor
   Bifocal
2. Bilious
   Bivalve

Bifocal can also refer to having two distinct goals or objects of attention, as in a bifocal approach to the problem.

1. Bishop
   Bicker
2. Bigwig
   Bijoux

Other synonyms for a bigwig include: celebrity, heavyweight, big cheese, big hitter and mogul.

1. Bite
   Bile
2. Bide
   Bier

After it is secreted by the liver, bile is then stored in the gallbladder, and discharged into the duodenum and aids in the emulsification, digestion, and absorption of fats.

1. Billion
   Billing
2. Bilander
   Billhead

One billion is the cardinal number equal to 10 to the ninth degree. It is written as 1,000,000,000.

1. Billhead
   Billabong
2. Billiard
   Billboard

The word billboard also has a nautical definition - it is a ledge on the bow of a ship on which the bill of an anchor rests when the anchor is secured to the cathead.

1. Biophilia
   Biopsy
2. Biopiracy
   Bioplasm

The word biopsy comes from bio, plus the Greek word for sight: opsis.

1. Bister
   Bicron
2. Bigamy
   Biller

The word bigamy is Latin for two and the Greek word gamos for marriage.

1. Bistros
   Bitters
2. Birders
   Bittock

Bitters may also be used to increase appetite. They can be enjoyed as a tonic as well.

1. Birthstones
   Birthrights
2. Birthmarks
   Birthplaces

Other types of birthmarks include port-wine stains, spider nevi, and Mongolian spots!

1. Biweekly
   Biennial
2. Biphasic
   Binomial

The festival in our hometown occurs on a biennial basis!

1. Biscuit
   Bipack
2. Bittock
   Bistro

Biscuits are often eaten with butter or gravy. They are a favorite within Southern cuisine.

1. Binocs
   Biceps
2. Bisters
   Bidets

Biceps allow the body to flex the forearm. This muscle is scientifically referred to as the biceps brachii.

1. Bit
   Bib
2. Bin
   Bid

Adults can also be seen wearing a bib when they are eating lobster or other messy foods.

1. Biff
   Bill
2. Billet
   Bilboa

Biff is English in origin - meaning interjection.

1. Bike
   Bind
2. Bise
   Bine

Something can also be bound by a signature or down payment. For example, I am going to bind the deal by submitting my down payment.

1. Bilby
   Birl
2. Bible
   Bield

The bible is a collection of ancient writings including the books of both the Old Testament and the New Testament.

1. Bin
   Birr
2. Bit
   Bid

Bit is a noun meaning a small portion, degree or amount. It can also be used to reference time - I had to wait a bit before the doctor called me in.

1. Bipack
   Bishop
2. Bister
   Birler

In modern churches, bishops are often in charge of an entire diocese. Under the bishop are priests, deacons and other clergy.

1. Bingos
   Bindle
2. Binger
   Bidet

Bindles were often carried by the American subculture of 'hobos.' Bindles are often carried over the shoulder.

1. Birth
   Binge
2. Birch
   Bilge

People may also engage in 'binge-watching,' meaning they spend an entire day watching every episode of a television series.

1. Bison
   Bizone
2. Bilbo
   Bilby

Bison traditionally hav​e large forequarters, a shaggy mane, and a massive head with short, curved horns. Foodies may enjoy a bison burger from time to time!

1. Bitumen
   Biotech
2. Bipolar
   Bilayer

A transistor that uses both positive and negative charge carriers is bipolar.

1. Bittock
   Bistro
2. Biogen
   Bicker

Other words for bistro include tavern, nightclub or informal, European-style restaurant or cafe.

1. Billet
   Biggie
2. Bikini
   Biffin

Bikinis are very close-fitting bathing suits that come in all kinds of shapes and sizes.

1. Billet
   Bidet
2. Bijoux
   Bister

Another definition for billet is a small chunk of wood, or a narrow steel bar.

1. Birddogging
   Birdwatching
2. Birdbrained
   Bitartrate

Avian is the word meaning of, or relating to, or derived from birds. Avian behavior or avian species are common phrases.

1. Billfolds
   Billeters
2. Billhead
   Billowier

This is also a printed form for making out bills. Billheads are more vintage. Today we have letterhead and also digital receipts.

1. Billiard
   Bicker
2. Biovular
   Bistort

Siblings are notorious for bickering with each other. Bickering is a major annoyance for parents.