imperil /im-perˈil/ (formal)

To endanger

• subduces
• surcoats
• surculi
• surculose
• surculus
• surculuses
• surd
• surdities
• surdity
• surds
• sure
• sure card
• sured
• sure enough
• sure-enough
• sure-fire
• surefooted
• surefootedly
• surefootedness
• surefootednesses
• surely
• sureness
• surenesses
• surer
• sures