taboo

/təˈbuː/

//təˈbuː// noun

"taboo" is a 5-letter English headword indexed on PlainSpell.

The verdict

“taboo” is a moderately-common English word, ranked #15,715 in English word frequency and used as a noun.

#15,715
frequency rank, English
5
letters
6
tracked misspellings
18
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An inhibition or ban that results from social custom or emotional aversion.

Visual similarity to commonly confused words

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

taboo vs too
60% similar
taboo vs tao
60% similar
taboo vs taco
60% similar

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

Key facts for taboo
PropertyValue
Headwordtaboo
LanguageEnglish
Part of speechNoun
IPA/təˈbuː/
Letters5
Frequency rank#15,715
Misspellings tracked6
Confusable pairs18
SourceWiktionary (kaikki.org)

Where “taboo” 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). taboo 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 taboo is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /təˈbuː/. Corpus data places it at rank #15,715 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.

Our generated misspelling index lists 6 likely wrong-spelling variants for taboo, with forms such as "atboo", "tabboo", and "tabo". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 18 confusable-pair relationships, "too", "tao", "taco", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from Tongan tapu (“prohibited, sacred”), from Proto-Polynesian *tapu, from Proto-Oceanic *tabu, from Proto-Eastern Malayo-Polynesian *tambu. Doublet of kapu. First attested in c. 1777. The p in the Tongan source was misheard as b. The correct English form is taboo, spelled T-A-B-O-O.

Definition

  1. 1
    An inhibition or ban that results from social custom or emotional aversion.
  2. 2
    Something which may not be used, approached or mentioned because it is sacred.

Etymology

Borrowed from Tongan tapu (“prohibited, sacred”), from Proto-Polynesian *tapu, from Proto-Oceanic *tabu, from Proto-Eastern Malayo-Polynesian *tambu. Doublet of kapu. First attested in c. 1777. The p in the Tongan source was misheard as b.

This word in other languages

Common misspellings

Also misspelled as: atboo,tabboo,tabo,taobo,tbaoo,ttaboo

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of taboo - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

atboo2tabboo1tabo1taobo2tbaoo2ttaboo1
Edit distance from "taboo"

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 "taboo"?
"taboo" is spelled T-A-B-O-O. The IPA pronunciation is /təˈbuː/.
What does "taboo" mean?
As a noun, "taboo" means: An inhibition or ban that results from social custom or emotional aversion.
What words are commonly confused with "taboo"?
"taboo" is commonly confused with "too", "tao", "taco". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "taboo"?
The IPA (International Phonetic Alphabet) transcription for "taboo" is /təˈbuː/. 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 "taboo"?
Borrowed from Tongan tapu (“prohibited, sacred”), from Proto-Polynesian *tapu, from Proto-Oceanic *tabu, from Proto-Eastern Malayo-Polynesian *tambu. Doublet of kapu. First attested in c. 1777. The p in the Tongan source was misheard as b. 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 “taboo”

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

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