12-Letter Words Starting With BI

There are 80 12-letter words that start with BI. 23 are common words, such as BIBLIOGRAPHY and BIBLIOPHILES. A rarer one is BIUNIQUENESS. In this set, I is the most frequent open letter (63 words). 19 words contain a doubled letter.

Full list 80

Common words

bibliographybibliophilesbicameralismbicarbonatesbicentennialbifurcationsbilingualismbillingsgatebillionairesbimetallismsbiochemicalsbiochemistry
bibliographybibliophilesbicameralismbicarbonatesbicentennialbifurcationsbilingualismbillingsgatebillionairesbimetallismsbiochemicalsbiochemistrybiodegradingbiodiversitybiofeedbacksbiographicalbiologicallybiophysicistbipolaritiesbirdwatchersbitchinessesbitternessesbittersweetsbiauriculatebibliomaniasbibliophilicbibliothecasbicollateralbiflagellatebilateralitybilharziasesbilharziasisbiocatalystsbiogeographybiomechanicsbiomedicinesbiosynthesesbiosynthesisbiosyntheticbipropellantbiquadraticsbirdwatchingbirefringentbismuthinitebituminizingbibliolatersbibliologiesbibliomaniacbibliopegiesbibliopegistbibliopolistbibliothecaebibliothecalbibulousnessbifunctionalbigheartedlybilateralismbillboardingbimetallistsbimillennialbimodalitiesbinocularitybioacousticsbioavailablebioenergeticbioengineersbioethicistsbiomaterialsbiometricianbiomolecularbiomoleculesbioscientistbiotechnicalbiotelemetrybiparentallybipartitionsbipedalitiesbipolarizingbiracialismsbiuniqueness

About this list

Words
80 (23 common words)
Common example
bibliography
Rare example
biuniqueness
Doubled letters
19
Ending in S
37
Most frequent letter
I (63)

Questions

How many 12-letter words starting with bi are there?

80. 23 of them are common words.

What is a common example?

BIBLIOGRAPHY is among the common words in this set.