B words

bee, bees

buzy

buze

buze off

Bezier
Bezier curve 
bimonthly
biannual
biennial
bluff
bluffology
buff
buffer
buffered
buffer zone
buffering zone
buffer capacity
beta
beta-decay
beta version - a test version of a proposed program
bin (Malay for son of; binti for daughter of)
bin - (computer) a virtual container for keeping information
binary - two
binary code - (computer) the 0 and 1 numerals used for coding
blueprint