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> 日本は南北に長い国なので、南と北では気候が大きく違い、…

(From Tobira Gateway to Advanced Japanese, p.5.)

I thought 大きく is an adverb, so it can only qualify a verb; but 違い is a noun.
What's going on here?
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2022-04-07T01:38:04.347
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2022-04-07T03:40:06.767
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grammar parsing adverbs renyōkei
Why is 大きく違い grammatically correct?
This 違い is not a noun but a verb, and that's why it's modified by an adverb
(大きく). This 違い is the continuative form (連用形) of 違う.

The continuative form of a verb has various usages. You can read a summary
here: <https://japanese.stackexchange.com/a/65953/5010> The second and the
fifth usages in the last list are relevant to you now.
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2022-04-07T02:31:36.213
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違い here is not a noun, but 連用形 of the verb 違う.

Generally it is called [連用終止](https://nihongokyoshi-
net.com/2018/12/06/jlptn3-grammar-renyoochuushi/) in Japanese grammar (for
Japanese people, at least).

Also note 連用形 is often used as a noun like 違い (連用形の名詞化 or
[連用形名詞(pdf)](https://www.arts.chula.ac.th/%7Eeast/japanese/files/JapanStudiesJournal/journal13/2016106Duong\(62-70\).pdf)),
hence the confusion.

* * *

Using 違い sounds more for writing than 違って.
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2022-04-07T02:41:03.867
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