imperil /im-perˈil/ (formal)

To endanger

imperˈilment noun

• suety
• suffect
• suffer
• sufferable
• sufferableness
• sufferablenesses
• sufferably
• sufferance
• sufferances
• suffered
• sufferer
• sufferers
• suffer fools gladly
• suffering
• sufferings
• suffers
• suffete
• suffetes
• suffice
• sufficed
• suffice it to say
• sufficer
• sufficers
• suffices
• sufficience