this is the type of a question that is easily solved by looking at a dictionary, or at the very least should go to the daily short questions posts instead of a whole post of its own.
違い is a noun and cannot modify another noun
違う is a verb and therefore can modify a noun directly
違う can mean either wrong or different (so can 違い)
違う is a verb in the 連体形(れんたいけい) form. 連体形 literally means “connects-to-nouns form”.
違う is an intransitive verb that means “to differ” in English it can often be translated into to be+ wrong (adjective) but Japanese doesn’t have the copula “to be” and in this case it approximates the function with the complementer phrase (CP) construction that takes the dictionary form.
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[https://jisho.org/search/%E9%81%95%E3%81%86](https://jisho.org/search/%E9%81%95%E3%81%86)
[https://jisho.org/search/%E9%81%95%E3%81%84](https://jisho.org/search/%E9%81%95%E3%81%84)
this is the type of a question that is easily solved by looking at a dictionary, or at the very least should go to the daily short questions posts instead of a whole post of its own.
違い is a noun and cannot modify another noun
違う is a verb and therefore can modify a noun directly
違う can mean either wrong or different (so can 違い)
違う is a verb in the 連体形(れんたいけい) form. 連体形 literally means “connects-to-nouns form”.
違う is an intransitive verb that means “to differ” in English it can often be translated into to be+ wrong (adjective) but Japanese doesn’t have the copula “to be” and in this case it approximates the function with the complementer phrase (CP) construction that takes the dictionary form.