logbook

/ˈlɑɡ.bʊk/

//ˈlɑɡ.bʊk// noun

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

The verdict

“logbook” is an uncommon English word, ranked #53,072 in English word frequency and used as a noun.

#53,072
frequency rank, English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A book in which measurements from the ship's log are recorded, along with other salient details of the voyage.

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)

Where “logbook” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for logbook is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈlɑɡ.bʊk/. Corpus data places it at rank #53,072 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

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.

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.

Using “logbook”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is L-O-G-B-O-O-K - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈlɑɡ.bʊk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list