loving cup vs Davis Cup

loving cup and Davis Cup both are nouns.

Word	Noun	Adjective	Verb	Adverb
loving cup	Yes	No	No	No
Davis Cup	Yes	No	No	No

As nouns, Davis Cup is a hyponym of loving cup; that is, Davis Cup is a word with a more specific, narrower meaning than loving cup:

loving cup: a large metal vessel with two handles that is awarded as a trophy to the winner of a competition
Davis Cup: cup awarded for the annual international team tennis competition

loving cup (noun)	Davis Cup (noun)
a large metal vessel with two handles that is awarded as a trophy to the winner of a competition	cup awarded for the annual international team tennis competition
a large drinking vessel (usually with two handles) that people drink out of in turn at a banquet