Synonyms for Singapore (same or very similar meaning)
WordNet sense 1 (the capital of Singapore; one of the world's biggest ports):
capital of Singapore
WordNet sense 2 (a country in southeastern Asia on the island of Singapore; achieved independence from Malaysia in 1965):
Republic of Singapore
WordNet sense 3 (an island south of the Malay Peninsula):
Singapore Island
From the ODE community, based on WordNet
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