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

• nightshade
• nightshades
• night shift
• night shifts
• nightshirt
• nightshirts
• night-shriek
• night-shrieks
• nightside
• nightsides
• perpetuation
• perpetuations
• perpetuator
• perpetuators
• perpetuities
• perpetuity
• perpetuum mobile
• perplex
• perplexed
• perplexedly
• perplexedness
• perplexednesses
• perplexes
• perplexing
• perplexingly