In English, it is samurai, singular or plural. This is because it is a class of person.
The plural of samurai is samurai.
The plural of "bridge" is "bridges."
The plural of address is addresses.
The plural of "turkey" is "turkeys."
The plural form is "cylinders."
The plural form of him, her, or it is them. (objective pronouns)
Samurai.
It is spelled Samurai
Kanji - 侍 Hiragana - さむらい
The plural way to spell studio is studios.
The plural is "emeralds."
The plural of "bridge" is "bridges."
The plural is resources.
The plural is cherries.
The plural is hooves.
The plural is cantaloupes.
The plural is roses.
The plural of "instrument" is spelled "instruments."