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10-Letter Words Starting with BI

Need 10-letter words beginning with BI? This comprehensive list has you covered. Popular examples include BIANNUALLY, BIASNESSES, BIATHLETES, plus BIBLICALLY, BIBLICISMS, BIBLICISTS and many more. Each word links to its dictionary entry for deeper understanding.

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115 words

Word	Length	Syllables
biannually	10	3
biasnesses	10	3
biathletes	10	3
biblically	10	4
biblicisms	10	3
biblicists	10	3
bibliology	10	4
bibliopegy	10	4
bibliopole	10	3
bibliotics	10	3
bibliotist	10	3
bibulously	10	4
bichromate	10	3
bicultural	10	4
bicyclists	10	3
bidonville	10	3
biennially	10	3
bifacially	10	4
bifidities	10	4
bifurcated	10	4
bifurcates	10	4
bigamously	10	4
bigeminies	10	4
bighearted	10	3
bigmouthed	10	3
bijections	10	3
bijouterie	10	3
bilberries	10	3
bilgewater	10	4
bilharzial	10	3
bilharzias	10	3
bilinguals	10	3
bilirubins	10	4
biliverdin	10	4
billabongs	10	3
billboards	10	2
billfishes	10	3
billionths	10	2
billowiest	10	3
billycocks	10	3
bilocation	10	4
bimanually	10	4
bimetallic	10	4
bimodality	10	5
binational	10	4
binaurally	10	4
binoculars	10	4
binomially	10	4
binucleate	10	3
bioassayed	10	2
biocenoses	10	4
biocenosis	10	4
biochemist	10	3
biocontrol	10	3
biodegrade	10	3
biodynamic	10	4
bioethical	10	3
biofouling	10	3
biogeneses	10	4
biogenesis	10	4
biogenetic	10	4
biographee	10	2
biographer	10	3
biographic	10	3
biohazards	10	3
biological	10	4
biologisms	10	3
biologists	10	3
biomedical	10	4
biometrics	10	3
biometries	10	3
biomorphic	10	3
biophysics	10	3
biopolymer	10	4
bioreactor	10	3
biorhythms	10	2
bioscience	10	2
bioscopies	10	3
biosensors	10	3
biospheres	10	3
biospheric	10	3
biparental	10	4
bipartisan	10	4
bipedalism	10	4
bipedality	10	5
bipolarity	10	5
bipolarize	10	4
bipyramids	10	4
birdbrains	10	2
birdhouses	10	3
birdliming	10	3
birthdates	10	3
birthmarks	10	2
birthplace	10	2
birthrates	10	3
birthright	10	2
birthroots	10	2
birthstone	10	2
birthworts	10	2
bisections	10	3
bisexually	10	4
bishoprics	10	3
bistouries	10	3
bisulfates	10	4
bisulfides	10	4
bisulfites	10	4
bitartrate	10	3
bitterness	10	3
bitterroot	10	3
bitterweed	10	3
bituminize	10	4
bituminous	10	4
bivouacked	10	3
biweeklies	10	3
bizarrerie	10	3

FAQs

Are BI-starting words common?
BI is a frequent start; probing vowel swaps after BI quickly narrows options.

Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.