bergander or bargander /bər-ganˈdər/

The shelduck

• thoron
• thorons
• thorough
• thorough bass
• thorough basses
• thoroughbrace
• thoroughbraced
• thoroughbraces
• thoroughbred
• thoroughbreds
• thorougher
• thoroughest
• thoroughfare
• thoroughfares
• thoroughgoing
• thoroughgoingly
• thoroughgoingness
• thoroughly
• thoroughness
• thoroughnesses
• thorough-paced
• thoroughpin
• thoroughs
• thoroughwax
• thoroughwaxes