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

• thin-belly
• thin blue line
• thin client
• thine
• thin end of the wedge
• thin-faced
• thin-film
• thing
• thingamies
• thingamy
• thingamybob
• thingamybobs
• thingamyjig
• thingamyjigs
• thinghood
• thinghoods
• thingier
• thingies
• thingiest
• thinginess
• thinginesses
• thing-in-itself
• thingliness
• thinglinesses
• thingness