NA-4

('na' in the fourth tone)

There are about 18 standard Chinese characters that are spoken 'na'. While there is no predominant sound-determining element, several of the characters spoken 'na' incorporate the character 内 = nei(4) = inside.

那 = that / demonstrative pronoun for things further away:  when not followed by a noun, the two-character form is preferred:

那个 = na(4)ge(-) = that

那里 = na(4)li(-) = there

The same meaning, but with clearer sound  (recommended for non-native speakers):

那边 = na(4)bian(1) = there, lit. 'on that side' / used especially when accompanied by a pointing gesture

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呐 = (this character is never used alone)

呐喊 = na(4)han(3) = to shout (to call with a load voice, not because of anger)