kelpie or kelpy /kelˈpi/

1. A malignant water sprite haunting fords in the form of a horse (Scot; folklore)
2. An Australian breed of sheepdog

• usurious
• usuriously
• usuriousness
• usuriousnesses
• usurous
• usurp
• usurpation
• usurpations
• usurpative
• usurpatory
• usurpature
• usurpatures
• usurped
• usurpedly
• usurper
• usurpers
• usurping
• usurpingly
• usurpings
• usurps
• usury
• usus loquendi
• usw
• USW
• usward