Journal vs Log

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

Journal

Top 1,000 (very common)B1noun

Log

Top 1,000 (very common)C1noun
 JournalLog
Pronunciation🇬🇧 /["/ˈdʒɜːnl/"]/🇺🇸 /["/ˈdʒɜːrnl/"]/🇬🇧 /["/lɒɡ/"]/🇺🇸 /["/lɔːɡ/"]/
MeaningA book where you write your thoughts and experiences.A piece of wood that has been cut from a tree, or a record of events.
ExampleShe keeps a journal where she writes her thoughts and experiences daily.The ship's captain kept a detailed log of the entire voyage.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1C1
Part of speechnounnoun
Collocationsacademic, learned, scholarly, copy, edition, issue, read, edit, write for, come out, be dedicated to, be devoted to, article, editorial, editor, in a/​the journal, journal of, personal, private, daily, keep, write, read, entry, in a/​the journal, journal ofcut, sawn, fallen, chop, saw, split, blaze, burn, crackle, cabin, house, fire, detailed, daily, captain’s, keep, maintain, update, book, sheet, entry
Antonymsignorance, silencedischarge, export, erase
Common mistakesConfusing 'journal' with 'diary' - 'journal' is often more reflective and focused on learning., Using 'journal' as a verb incorrectly - it is primarily a noun., Spelling errors, such as 'journel' instead of 'journal'.Confused with 'logged' as a past tense verb., Using 'log' only in relation to trees and not recognizing the meaning of records., Mispronouncing 'log' as 'lag'.
Usage notesUse 'journal' to refer to personal writing. It's neutral, so it’s appropriate in most situations. Avoid using it in very formal contexts like academic papers.Use 'log' when referring to tree trunks or records of events. Avoid in casual conversations about smaller sticks or everyday actions unless specifically referencing a log book.

See it in real clips

Log

Frequently asked questions: Journal vs Log

What's the difference between Journal and Log?

Journal: A book where you write your thoughts and experiences. Log: A piece of wood that has been cut from a tree, or a record of events.

Which is more advanced: Journal and Log?

Log is the highest level, at C1, on the CEFR scale.

Are Journal and Log the same CEFR level?

Journal: B1, Log: C1 on the CEFR scale.

What part of speech are Journal and Log?

Journal: noun, Log: noun.

Can you show an example of each?

Journal: She keeps a journal where she writes her thoughts and experiences daily. Log: The ship's captain kept a detailed log of the entire voyage.

Can I use Journal and Log interchangeably?

Not always. Journal and Log 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.

Related comparisons