milligram or milligramme/ʹmiligram/ noun

• bestialise
• bestiality
• bestialize
• bestiary
• bestir
• best man
• best of both worlds
• be stopped in one's tracks
• be stored with something
• bestow
• bestrew
• bestride
• bestseller
• be stuck for
• be stuck on
• be stuck with
• be supposed to do something
• bet
• beta
• beta-blocker
• beta decay
• betake
• be taken/caught short
• be taken ill/sick
• beta particle