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Other

/ˈʌðər/

Referring to a person or thing that is different or distinct from the one already mentioned.

Synonyms:

Few men would; but he of all others?

'No, no!' said the other, clasping him by the hand.

'The other day.

Coming from Old English ōther, related to German ander and Dutch ander, indicating a secondary or different item.

1551 mentions per 1 million words

Very Often

Hint: Frequency according to COCA