Coin vs Piece

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

Coin

Top 1,000 (very common)B1noun

Piece

Top 1,000 (very common)A1noun
 CoinPiece
Pronunciation🇬🇧 /["/kɔɪn/"]/🇺🇸 /["/kɔɪn/"]/🇬🇧 /["/piːs/"]/🇺🇸 /["/piːs/"]/
MeaningA small, round piece of metal used as money.A part of something larger.
ExampleI found a coin on the sidewalk while walking to work.Can I have a piece of cake, please?
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1A1
Part of speechnounnoun
Collocationsbronze, copper, gold, issue, mint, strike, be in circulation, circulate, clink, purse, collector, flip, the flip of a coin, the toss of a coinbig, huge, large, assemble, glue (back) together, put (back) together, in pieces, piece of, bits and pieces, break into pieces, smash into pieces, big, huge, large, assemble, glue (back) together, put (back) together, in pieces, piece of, bits and pieces, break into pieces, smash into pieces, big, huge, large, assemble, glue (back) together, put (back) together, in pieces, piece of, bits and pieces, break into pieces, smash into pieces, amazing, beautiful, brilliant, compose, produce, write, be called something, be entitled something, be titled something, piece by, piece for, piece from, a piece of music, a piece of sculpture, a piece of work, amazing, beautiful, brilliant, compose, produce, write, be called something, be entitled something, be titled something, piece by, piece for, piece from, a piece of music, a piece of sculpture, a piece of work, big, huge, large, assemble, glue (back) together, put (back) together, in pieces, piece of, bits and pieces, break into pieces, smash into pieces
Antonymsnote, paper moneywhole, complete, entire
Common mistakesConfused with 'quoin', which means a corner or edge., Using 'coins' as a verb instead of 'to coin'., Mixing up 'coin' with 'Token' in non-monetary contexts.Confused with 'peace'., Used 'pieces' when referring to uncountable nouns incorrectly., Misused as a verb; it is primarily a noun.
Usage notesUsed in everyday conversation, 'coin' is appropriate in both spoken and written contexts when discussing money or currency. Avoid using in very formal financial contexts where terminology is more technical.Use this word when talking about parts of whole items, such as a piece of cake or a piece of furniture. It is neutral and widely acceptable in both spoken and written contexts.

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Coin
Piece

Frequently asked questions: Coin vs Piece

What's the difference between Coin and Piece?

Coin: A small, round piece of metal used as money. Piece: A part of something larger.

Which is more advanced: Coin and Piece?

Coin is the highest level, at B1, on the CEFR scale.

Are Coin and Piece the same CEFR level?

Coin: B1, Piece: A1 on the CEFR scale.

What part of speech are Coin and Piece?

Coin: noun, Piece: noun.

Can you show an example of each?

Coin: I found a coin on the sidewalk while walking to work. Piece: Can I have a piece of cake, please?

Can I use Coin and Piece interchangeably?

Not always. Coin and Piece 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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