• 奈良なら — Nara (ancient capital)
• 奈落ならく — hell / abyss
• 奈何いかん — how / what (classical)
• 奈央なお — Nao (given name)

奈 is often used phonetically. It became associated with place names like 奈良 (Nara), and in classical Japanese and Buddhist texts it appears in questioning expressions, often paired with 何 or 如何.

奈良ならは 日本にほんの古都ことです。
Nara is an ancient capital of Japan.

奈落ならくの底そこへ落おちたような気分きぶんだった。
I felt like I had fallen into the depths of hell.