What context can I use each word in?
Learn when and how to use these words with these examples!
duplex
Example
The duplex we looked at had a spacious backyard. [duplex: noun]
Example
I printed the report on both sides of the paper using the duplex feature. [duplex: adjective]
Example
The DNA molecule is a duplex structure. [duplex: adjective]
twin
Example
My sister and I are twins. [twins: noun]
Example
The twin towers were an iconic landmark in New York City. [twin: adjective]
Example
I bought a twin bed for my guest room. [twin: adjective]
Good things to know
Which word is more common?
Twin is more commonly used than duplex in everyday language. Twin is versatile and covers a wide range of contexts, while duplex is less common and refers to a specific type of housing.
What’s the difference in the tone of formality between duplex and twin?
While duplex is typically associated with a formal tone due to its specific meaning, twin is more versatile and can be employed in various formality levels, allowing it to be used in both formal and informal contexts.