1. Of which person?
   "whose is this coat?" 
2. Of whom, of which
   "a barn whose red planks have weathered to dark brown"

Sounds like: who's

Encyclopedia: Whose

• eddy current
• Eddy Merckx
• Edecrin
• edelweiss
• edema
• edematous
• Eden
• Edenic
• non-buoyant
• non-cash expense
• non-Catholic
• non-Christian priest
• non-dairy
• non-dedicated file server
• non-destructive
• non-discrimination
• non-dom
• non-engagement
• non-Euclidean geometry
• non-finite
• non-flowering plant
• non-food
• non-insulin-dependent diabetes
• non-insulin-dependent diabetes mellitus
• non-invertible