Difference
noun, suffix
This is a single kanji with an い on the end, meaning you'd think it's probably an adjective. However in this case, it's a noun. What's the noun form of different? It's difference.
The reading is the same as the one you learned with the kanji. Not different at all.
この新製品とあの型落ちした商品の違いは何ですか？
What's the difference between this new product and that old model?
私たちは、みんなに違いがあることを理解し、認め合う必要があります。
There is a need to understand that we all have differences and that we should accept one another.
清掃員と副社長の違いなんて全く分からないね。
I don’t understand the difference at all between a janitor and an executive vice president.