なさ

なさ

"なさ" refers to the absence or lack of something.

"なさ" is used here to form the noun "優しさ," which means kindness, deriving from the adjective "優しい". It expresses a personal or abstract quality.

彼の優しさには感謝しています。

I am grateful for his kindness.

"なさ" in this sentence is part of "面白さ," which derives from the adjective "面白い," to express the quality of being interesting.

その本の面白さが分かりますか？

Can you understand the interesting aspect of that book?

Here, "なさ" derives the noun "悲しさ" from the adjective "悲しい," illustrating the concept or feeling of sadness.

彼女の悲しさを癒すのが私の役目です。

It is my job to heal her sadness.