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Words starting with BI (10-letter)

A curated list of 10-letter words tailored to this exact pattern. When a clue points to BI starts, alternate vowel patterns and common blends after the prefix. For example: biannually, biasnesses, biathletes.

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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.