On the other hand vs Whereas

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

On the other hand

Whereas

FormalTop 5,000 (fairly common)B2conjunction
 On the other handWhereas
Pronunciation🇬🇧 /["/ˌweərˈæz/"]/🇺🇸 /["/ˌwerˈæz/"]/
Meaningused to show a contrast between two things
Example-Some of the studies show positive results, whereas others do not.
Register-Formal
How common-Top 5,000 (fairly common)
CEFR level-B2
Part of speechconjunction
Collocations-whereas some, whereas others, whereas in contrast
Antonyms-similarly, likewise
Common mistakes-Confusing 'whereas' with 'while' in informal contexts., Using 'whereas' without a complete clause following it., Overusing 'whereas' instead of simpler conjunctions in casual writing.
Usage notes-Often used in academic or formal writing to compare two contrasting ideas or situations. It's less common in everyday conversation.

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On the other hand
Whereas

Frequently asked questions: On the other hand vs Whereas

What's the difference between On the other hand and Whereas?

On the other hand: Whereas: used to show a contrast between two things

Can I use On the other hand and Whereas interchangeably?

Not always. On the other hand and Whereas 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.