Assail: Make a concerted or violent attack on
Onslaught: A fierce or destructive attack
Sentence example: Five assailants died in the onslaught – some by their own hand – and police arrested four others.
The Power Memory Strategy:
- Assail: Link to assa-, i.e. violence ⇒ notice the similarity with assassin, assault
- Onslaught: Link to -slaught, i.e. slaughter