Abridge

Abridge -- to shorten, abbreviate .
It's easy to write a long memo. To abridge it usually takes much longer.
The collegiate dictionaries are abridgments of larger works.

In American English fledgeling, acknowledgement and judgement, like Abridgment, are spelled without an E after the G, although abridgement is also correct.
The British style generally is to retain the E increase and similar words.

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