paddy field vs rice paddy

paddy field and rice paddy both are nouns.

Word	Noun	Adjective	Verb	Adverb
paddy field	Yes	No	No	No
rice paddy	Yes	No	No	No

As nouns, paddy field and rice paddy are synonyms defined as:

paddy field and rice paddy: an irrigated or flooded field where rice is grown

Other synonyms of paddy field include paddy.

paddy field (noun)	rice paddy (noun)
an irrigated or flooded field where rice is grown	an irrigated or flooded field where rice is grown