paddy wagon vs patrol wagon

paddy wagon and patrol wagon both are nouns.

Word	Noun	Adjective	Verb	Adverb
paddy wagon	Yes	No	No	No
patrol wagon	Yes	No	No	No

As nouns, paddy wagon and patrol wagon are synonyms defined as:

Other synonyms of paddy wagon include black Maria, police van, police wagon, wagon.

paddy wagon (noun)	patrol wagon (noun)
van used by police to transport prisoners	van used by police to transport prisoners