Coin vs Piece vs Quarter

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

Quarter

Top 1,000 (very common)A1noun
 CoinPieceQuarter
Pronunciation🇬🇧 /["/kɔɪn/"]/🇺🇸 /["/kɔɪn/"]/🇬🇧 /["/piːs/"]/🇺🇸 /["/piːs/"]/🇬🇧 //ˈkwɔːtə//🇺🇸 //ˈkwɔːrtər//
MeaningA small, round piece of metal used as money.A part of something larger.A piece of money worth 25 cents.
ExampleI found a coin on the sidewalk while walking to work.Can I have a piece of cake, please?I found a quarter on the ground yesterday.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelB1A1A1
Part of speechnounnounnoun
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 piecesquarter dollar, quarter of a dollar, first quarter
Antonymsnote, paper moneywhole, complete, entirewhole, full
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.Confused with 'quart', which is a unit of volume., Mispronounced as 'kwarter' instead of 'kwɔːrtər'., Used inappropriately for 'fourth' in informal contexts.
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.Commonly used in informal contexts; can refer to a coin, a part of a whole, or a time period.

Frequently asked questions: Coin vs Piece vs Quarter

What's the difference between Coin, Piece, and Quarter?

Coin: A small, round piece of metal used as money. Piece: A part of something larger. Quarter: A piece of money worth 25 cents.

Which is more advanced: Coin, Piece, and Quarter?

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

Are Coin, Piece, and Quarter the same CEFR level?

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

What part of speech are Coin, Piece, and Quarter?

Coin: noun, Piece: noun, Quarter: 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? Quarter: I found a quarter on the ground yesterday.

Can I use Coin, Piece, and Quarter interchangeably?

Not always. Coin, Piece, and Quarter 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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