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

• nitrous bacteria
• nitrous oxide
• nitrox
• nitroxyl
• nitroxyls
• nitry
• nitryl
• nitryls
• nits
• nittier
• nittiest
• nitty
• nitty-gritty
• nitwit
• nitwits
• nitwitted
• nitwittedness
• nitwittednesses
• nitwitteries
• nitwittery
• nival
• nivation
• niveous
• Nivôse
• nix