logbook

/ˈlɑɡ.bʊk/

//ˈlɑɡ.bʊk// noun

"logbook" is a 7-letter English headword indexed on PlainSpell.

The verdict

“logbook” is uncommon English (frequency #53,072 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.

#53,072
frequency rank, English
2,297
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.

Corpus desk

Index EN-logbook · logbook · English

logbook · rank #53,072 · 0 variants · 0 confusables

  • FREQ-RARE #53,072
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH logistically

Nearest frequency peer: logistically (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “logbook”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “logbook” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for logbook
PropertyValue
Headwordlogbook
LanguageEnglish
Part of speechNoun
IPA/ˈlɑɡ.bʊk/
Letters7
Frequency rank#53,072
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “logbook” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).logbookfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “logistically” (#53,073), “Leonora” (#53,070), “lolz” (#53,074). Among 2,297 “L” headwords, “logbook” is #53,072. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

logbook is uncommon English at frequency #53,072 among 2,297 “L” headwords, classed as anoun, transcribed /ˈlɑɡ.bʊk/. Rarity is why readers land here mid-draft. 3 senses are on record.

logbook has no tracked misspelling variants, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: Etymology tree Proto-Indo-European *legʰ- Proto-Indo-European *-yeti Proto-Indo-European *légʰyeti Proto-Germanic *ligjaną Old Norse liggjader.? Middle English logge English log Proto-Indo-European *bʰeh₂ǵosder.? Proto-Indo-European *bʰeh₂g-der.? Proto-Germ… The correct English form is logbook, spelled L-O-G-B-O-O-K.

Definition

  1. 1
    A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.
  2. 2
    A book in which events are recorded; a journal, especially of travel.
  3. 3
    A record of the ownership, and licensing of a motor car.

Recorded use

Wiktionary example

These source excerpts show how logbook appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. "If you're accused of profiling or pretextual stops, you can bring your daily logbook to court and document that pulling over motorists for 'stickler' reasons is part of your customary pattern," Remsberg writes, "not a glaring exception conveniently dusted off in the defendant's case."

Etymology

Etymology tree Proto-Indo-European *legʰ- Proto-Indo-European *-yeti Proto-Indo-European *légʰyeti Proto-Germanic *ligjaną Old Norse liggjader.? Middle English logge English log Proto-Indo-European *bʰeh₂ǵosder.? Proto-Indo-European *bʰeh₂g-der.? Proto-Germanic *bōks Proto-West Germanic *bōk Old English bōc Middle English bok English book English logbook Compound of log + book, originally a record of a ship’s speed and progress, from a wooden float (chip log, or simply log) used to measure speed. First attested in the 1670s.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "logbook"?
"logbook" is spelled L-O-G-B-O-O-K. The IPA pronunciation is /ˈlɑɡ.bʊk/.
What does "logbook" mean?
As a noun, "logbook" means: A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.
How do you pronounce "logbook"?
The IPA (International Phonetic Alphabet) transcription for "logbook" is /ˈlɑɡ.bʊk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "logbook"?
Etymology tree Proto-Indo-European *legʰ- Proto-Indo-European *-yeti Proto-Indo-European *légʰyeti Proto-Germanic *ligjaną Old Norse liggjader.? Middle English logge English log Proto-Indo-European *bʰeh₂ǵosder.? Proto-Indo-European *bʰeh₂g-der.? ... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "logbook", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list