Addition vs Amendment

When to use each in English, with meaning, register, and examples.

Addition

Top 1,000 (very common)B1noun

Amendment

FormalTop 3,000 (common)C1noun
Most formal: AmendmentMost common: Addition
 AdditionAmendment
Pronunciation🇬🇧 /["/əˈdɪʃn/"]/🇺🇸 /["/əˈdɪʃn/"]/🇬🇧 /["/əˈmendmənt/"]/🇺🇸 /["/əˈmendmənt/"]/
MeaningThe process of finding the total by joining numbers together.A change or addition to a law or a document.
ExampleIn mathematics, addition is the process of calculating the total of two or more numbers.The First Amendment protects the freedom of speech in the United States.
RegisterNeutralFormal
How commonTop 1,000 (very common)Top 3,000 (common)
CEFR levelB1C1
Part of speechnounnoun
Collocationsuseful, valuable, welcome, make, in addition, addition to, useful, valuable, welcome, make, in addition, addition to, building, room, two-story, build, design, addition to, simple, doimportant, major, significant, introduce, make, draft, pass (something), ban something, outlaw something, without amendment, amendment to, important, major, significant, introduce, make, draft, pass (something), ban something, outlaw something, without amendment, amendment to
Antonymssubtractionrepeal, dismantle
Common mistakesConfused with 'addition' vs 'addiction'., Using 'addition' to refer to something that is added without specifying what., Saying 'the addition of two and two is four' instead of 'adding two and two equals four'.Confused with 'amend' - remember 'amendment' is the noun form., Using 'amendment' in casual situations where simpler words are more appropriate., Mispronouncing it, especially stressing the wrong syllable.
Usage notesUse 'addition' in mathematical contexts and discussions. It is appropriate in both formal settings (like schools) and casual conversations when talking about math.Commonly used in legal and political contexts. Not appropriate for casual or everyday conversations.

Frequently asked questions: Addition vs Amendment

What's the difference between Addition and Amendment?

Addition: The process of finding the total by joining numbers together. Amendment: A change or addition to a law or a document.

Which is more formal: Addition and Amendment?

Amendment is the most formal of these.

Which is more common: Addition and Amendment?

Addition is the most common in everyday English.

Are Addition and Amendment the same CEFR level?

Addition: B1, Amendment: C1 on the CEFR scale.

Can I use Addition and Amendment interchangeably?

Not always. Addition and Amendment are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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