engulf or ingulf /in-gulfˈ/, also (obsolete) engulph or ingulph

1. To swallow up completely
2. To cause to be swallowed up
3. To overwhelm

engulfˈment noun

• sitz-bath
• sitz-baths
• sitzkrieg
• sitzkriegs
• Sium
• SI units
• SIV
• Siva
• Sivaism
• Sivaistic
• Sivaite
• Sivan
• Sivapithecus
• Sivatherium
• siver
• sivers
• siwash
• siwashed
• siwashes
• siwashing
• six
• sixain
• sixaine
• sixaines
• sixains