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What exactly is the difference between やめろい and やめろ?

Is this い the same as the one used to strenghten assertions and statements
like the い used in the sentence-final かい, だい, and がい? Can it be used with
every other verb in its imperative form?

Lastly, is this やめろい common at all? I assume it's a little less common than
やめろ since it probably sounds quite rude.
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2020-01-04T22:15:43.143
73733
2020-01-05T10:51:35.007
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question
meaning usage particles
Difference between やめろい and やめろ
Yes, this い is the same as い as in だい or がい. From 明鏡国語辞典 第二版:

> ### い
>
> 終助
>
> ① 《質問の文の後に付いて》くだけた調子で、親しみの意をこめる。 「これは何じゃい」「もう少し待ってみるかい？」
>
> **② 《肯定や命令の文の後に付いて》意味を強める。** 「早くしろい」「いやだい、ぼくがやるんだい」
>
> 【語法】
> 助動詞「だ」「じゃ」などに付いた「だい」「じゃい」、終助詞「か」「わ」「な」に付いた「かい」「わい」「ない」、動詞の命令形に付いた「ろい」などの形で使う。

In modern Japanese, Definition ② (non-questioning sentence-end い, such as やめろい
or 本当だい) is not common at all. If I understand it correctly, it's an old-
fashioned, unsophisticated and
[shitamachi](https://japanese.stackexchange.com/a/62713/5010)-like way of
speaking, and you'll see it used mainly in manga/dramas set up in the
early/middle Showa period (e.g., サザエさん, じゃりン子チエ). In fantasy works, you may
hear it used by male speakers living in rural areas speaking in a curt manner,
e.g., a dwarf blacksmith.

I believe it works with the imperative form of almost any verb (よく見ろい,
さっさと寝ろい, 急げい, どけい, 行けい, はやくしろい, ...), but 来い is an exception. It sounds like
you are urging someone.

い at the end of a _question_ , such as 食べるかい or 調子はどうだい, is also rare in
reality, but it's common among modern adult speakers in fiction. See: [In what
situation can I use ~かい (for interrogative
question)?](https://japanese.stackexchange.com/q/2864/5010)
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2020-01-05T01:43:41.780
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2020-01-05T10:51:35.007
2020-01-05T10:51:35.007
5010
5010
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answer