sulph- /sulf-/ or sulpho- /sul-fō-/, also (chiefly US) sulf- or sulfo-

Denoting sulphur

• backspeired
• backspeiring
• backspeirs
• backspin
• backspins
• backstabber
• backstabbers
• backstabbing
• backstage
• backstairs
• backstall
• backstalls
• backstarting
• backstays
• backstitch
• backstitches
• backstop
• backstops
• back story
• back straight
• back straights
• backstreet
• backstreet abortion
• backstreet abortions
• backstreets