النجدة!

The usual pronunciation in Modern Standard Arabic is an-najdah!

A rough breakdown:

• an- because the article الـ changes in pronunciation here
• naj with ج like j in judge
• -dah at the end when you stop

A simple stress pattern is an-NAJ-dah.

Because ن is a sun letter.

In Arabic, when الـ is followed by a sun letter, the l sound assimilates to the next consonant. So:

• written: النجدة
• pronounced: an-najdah

In fully vocalized writing, this is shown with a shadda on ن: النَّجْدَة.

Because Arabic and English do not match word-for-word in how they use the definite article.

In this case, النجدة! is a fixed Arabic exclamation. Even though it literally contains the, the natural English equivalent is still just Help!

So you should learn النجدة! as a whole expression, not as a literal translation of the help!

Not in the usual subject-verb sense. It is basically a noun used as an exclamation or interjection.

Arabic, like English, often allows a single word to function as a complete utterance in urgent situations. So even though it is not a full sentence grammatically, it works perfectly as a stand-alone cry.

Here, because you are stopping at the end of the word, ة is pronounced -a or -ah, not -t.

So you say an-najdah!

The t sound appears when the word is grammatically connected and fully pronounced in formal reading. But as an isolated shout, the ending is heard as -ah.

Normally, no.

In ordinary Arabic writing, short vowels and case endings are usually not written. And in a stand-alone exclamation like النجدة!, you pause at the end, so the final case ending is not normally heard anyway.

For a learner, the important practical pronunciation is simply an-najdah!

No.

يا is used when you are directly calling someone or something, as in يا رجل or يا محمد. But النجدة! is a fixed emergency cry, not a normal vocative expression.

So you just say النجدة!, without يا.

Yes. Some other common MSA ways are:

• ساعدوني! = help me
• أغيثوني! = come to my aid / rescue me
• أنقذوني! = save me

Compared with those, النجدة! is a short general alarm cry. It sounds urgent and dramatic, much like shouting Help! all by itself.