This is the 4028th most frequent Japanese word.
ナラ
"ナラ" (Nara) is a proper noun referring to a city or prefecture in Japan.
ナラ refers to the city name 'Nara'.
もしナラが雨なら、傘が必要です。
If Nara is raining, we need an umbrella.
ナラ is a conditional particle equivalent to 'if' or 'then' as part of 'なら'.
条件として学べるなら、ナラ合格です。
If the conditions allow learning, then it's a pass.
ナラ refers to 'oak tree' here.