Rusk

• A rusk is a hard, dry biscuit or a twice-baked bread.
• It is sometimes used as a teether for babies. 

Ambassador vs. Envoy

• An ambassador 
• is the highest ranking diplomat that is sent to another sovereign state in order to represent their country. 
• For example, a diplomat of France in Korea, will represent France, its government and the people of France that reside in Korea.
• An envoy 
• is a diplomatic representative and not considered as a representative of the head of the state. health 
• Source: http://www.differencebetween.info/difference-between-ambassador-and-envoy

Goldendoodle

• The Goldendoodle is a “designer dog,” a hybrid dog breed resulting from mixing the Poodle with the Golden Retriever. 
• Like all other designer “breeds,” this Doodle is not truly a breed of its own, but is a crossbreed  
• Affectionate, intelligent, and low-shedding, these dogs inherited some of the best traits from their parent breeds, along with good health
• c.f., designer dog breeds
• are the results of controlled cross-breeding between two purebred dogs