banzai attack vs banzai charge

banzai attack and banzai charge both are nouns.

Word	Noun	Adjective	Verb	Adverb
banzai attack	Yes	No	No	No
banzai charge	Yes	No	No	No

As nouns, banzai attack and banzai charge are synonyms defined as:

banzai attack and banzai charge: a mass attack of troops without concern for casualties; originated by Japanese who accompanied it with yells of `banzai'

banzai attack (noun)	banzai charge (noun)
a mass attack of troops without concern for casualties; originated by Japanese who accompanied it with yells of `banzai'	a mass attack of troops without concern for casualties; originated by Japanese who accompanied it with yells of `banzai'