OTAN

abbrev

The verdict

“OTAN” is a moderately-common Portuguese word, ranked #12,510 in Portuguese word frequency and used as an abbreviation.

#12,510
frequency rank, Portuguese
4
letters
5
tracked misspellings
14
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - sigla para a Organização do Tratado do Atlântico Norte

Visual similarity to commonly confused words

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

OTAN vs OVA
50% similar
OTAN vs otto
0% similar
OTAN vs oval
0% similar

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

Key facts for OTAN
PropertyValue
HeadwordOTAN
LanguagePortuguese
Part of speechAbbreviation
Letters4
Frequency rank#12,510
Misspellings tracked5
Confusable pairs14
SourceWiktionary (kaikki.org)

Where “OTAN” sits in Portuguese 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). OTAN 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 Portuguese entry for OTAN is 4 letters long, classified as an abbreviation. Corpus data places it at rank #12,510 in overall Portuguese word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "sigla para a Organização do Tratado do Atlântico Norte".

Our generated misspelling index lists 5 likely wrong-spelling variants for OTAN, with forms such as "oatn", "otann", and "otna". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 14 confusable-pair relationships, "OVA", "otto", "oval", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This entry's etymology isn't recorded, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is OTAN, spelled O-T-A-N.

Definition

  1. 1
    sigla para a Organização do Tratado do Atlântico Norte

This word in other languages

Common misspellings

Also misspelled as: oatn,otann,otna,ottan,toan

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of OTAN - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

oatn2otann1otna2ottan1toan2
Edit distance from "OTAN"

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 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "OTAN"?
"OTAN" is spelled O-T-A-N.
What does "OTAN" mean?
As an abbreviation, "OTAN" means: sigla para a Organização do Tratado do Atlântico Norte
What words are commonly confused with "OTAN"?
"OTAN" is commonly confused with "OVA", "otto", "oval". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "OTAN" come from?
"OTAN" is a Portuguese word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “OTAN”

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

  • The one correct Portuguese spelling is O-T-A-N - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “OVA” - see the side-by-side comparison. OTAN vs OVA
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese 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