“warm water port” is a term I exclusively associate with Russia, because the only time it was ever mentioned for me was in a world history class, talking about Russian expansion to secure one.
While “port” might be a normal word, the phrase is a key to know where it comes from.
https://www.contexto.me
One word is the key word, every other word is ranked by relatedness, #300 is the 300th closest word, #1 is the correct word.