capital of Thailand vs Krung Thep

capital of Thailand and Krung Thep both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Thailand	Yes	No	No	No
Krung Thep	Yes	No	No	No

As nouns, capital of Thailand and Krung Thep are synonyms defined as:

capital of Thailand and Krung Thep: the capital and largest city and chief port of Thailand; a leading city in southeastern Asia; noted for Buddhist architecture

Other synonyms of capital of Thailand include Bangkok.

capital of Thailand (noun)	Krung Thep (noun)
the capital and largest city and chief port of Thailand; a leading city in southeastern Asia; noted for Buddhist architecture	the capital and largest city and chief port of Thailand; a leading city in southeastern Asia; noted for Buddhist architecture