obi

/ˈoʊbi/

//ˈoʊbi// noun

"obi" is a 3-letter English headword indexed on PlainSpell.

The verdict

“obi” is a moderately-common English word, ranked #18,379 in English word frequency and used as a noun.

#18,379
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sash worn with a kimono.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

obi vs of
33% similar
obi vs on
33% similar
obi vs or
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for obi
PropertyValue
Headwordobi
LanguageEnglish
Part of speechNoun
IPA/ˈoʊbi/
Letters3
Frequency rank#18,379
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “obi” 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). obi 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 obi is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈoʊbi/. Corpus data places it at rank #18,379 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Zero misspellings are on record for obi in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It also participates in 20 confusable-pair relationships, "of", "on", "or", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Borrowed from Japanese 帯 (obi, “belt”). The correct English form is obi, spelled O-B-I.

Definition

  1. 1
    A sash worn with a kimono.
  2. 2
    A strip of paper looped around a book or other product.

Etymology

Borrowed from Japanese 帯 (obi, “belt”).

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 "obi"?
"obi" is spelled O-B-I. The IPA pronunciation is /ˈoʊbi/.
What does "obi" mean?
As a noun, "obi" means: A sash worn with a kimono.
What words are commonly confused with "obi"?
"obi" is commonly confused with "of", "on", "or". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "obi"?
The IPA (International Phonetic Alphabet) transcription for "obi" is /ˈoʊbi/. 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 "obi"?
Borrowed from Japanese 帯 (obi, “belt”). 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 “obi”

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

  • The one correct English spelling is O-B-I - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈoʊbi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “of” - see the side-by-side comparison. obi vs of
  • 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