15-Letter Words Start with 'bi'

There are 25 15-letter words that start with 'bi'.

bibliographical	bibliotherapies
bidialectalisms	bidirectionally
bioavailability	biodegradations
bioengineerings	biogeochemicals
biogeochemistry	biogeographical
bioluminescence	biomathematical
biomechanically	bioregionalisms
bioregionalists	bioremediations
biostatistician	biostratigraphy
biosystematists	biotechnologies
biotechnologist	bipartisanships
bipolarizations	bittersweetness
bituminizations

Note: These 25 15-letter words that start with 'bi' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with bio, bil, bir, bit, bib, big, bin, bis, bic, bip, bim, bif, bid, bia, biz, biv, bie, bik, bij, biu, biq, biw, bih, biy.

3-letter words start with 'bi' (8)
4-letter words start with 'bi' (32)
5-letter words start with 'bi' (72)
6-letter words start with 'bi' (106)
7-letter words start with 'bi' (169)
8-letter words start with 'bi' (212)
9-letter words start with 'bi' (190)
10-letter words start with 'bi' (137)
11-letter words start with 'bi' (105)
12-letter words start with 'bi' (74)
13-letter words start with 'bi' (56)
14-letter words start with 'bi' (38)
15-letter words start with 'bi' (25)