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

• gas gangrenes
• gas giant
• gas giants
• gas-globe
• gas-globes
• gas gun
• gas guns
• gas-guzzler
• gas-guzzlers
• gas-guzzling
• gash
• gas heater
• gas heaters
• gashed
• gas helmet
• gas helmets
• gasher
• gashes
• gashest
• gashful
• gashing
• gashliness
• gashlinesses
• gashly
• gasholder