Literature
Naruto Japanese Dictionary
General Language Notes
1) Insults. Mostly, these come in the form of impolite pronouns. Words like kisama and yarou arent technically dirty names, theyre just very impolite. Occasionally, as is the case with school children, these can become as creative as most American insults, ranging from impugning a persons intelligence to impugning their direct genetic makeup.
2) Plurals. The only way of expressing plural (aside from using numbers) is with a special noun ending. The suffix -tachi is the polite way of doing this; it expresses a group of things. For instance, Bob-san