ar

noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“ar” sits in 20 confusable pairs (corpus #613) as a noun. The look-alike neighbours are the real trap.

#613
frequency rank, Portuguese
1,900
“A” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 2, 2026) - fluido gasoso que envolve todo o planeta Terra; atmosfera

Corpus desk

Index PT-ar · ar · Portuguese

ar · rank #613 · 0 variants · 20 confusables

  • FREQ-CORE #613
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,900
  • PHOTO-FINISH voz

Nearest frequency peer: voz (-1 rank slots)

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.

Frequency neighbourhood for “ar”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “ar” sits against the nearest ranked Portuguese headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 2, 2026

Visual similarity to commonly confused words

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

ar vs As
0% similar
ar vs at
50% similar
ar vs av
50% similar

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

Key facts for ar
PropertyValue
Headwordar
LanguagePortuguese
Part of speechNoun
Letters2
Frequency rank#613
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “ar” 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). ar lands here:

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

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

Easy to mix with look-alikes

The spelling risk for ar is neighbouring look-alikes ("As", "at", …), not just typos; it is anoun. Frequency #613 among 1,900 “A” headwords. 9 recorded senses keep meaning in play.

No generated misspelling entries exist for ar in our index, suggesting the orthography follows predictable Portuguese patterns. It also participates in 20 confusable-pair relationships, "As", "at", "av", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct Portuguese form is ar, spelled A-R.

Definition

  1. 1
    fluido gasoso que envolve todo o planeta Terra; atmosfera
  2. 2
    gás que constitui a atmosfera terrestre; formado por 21% de oxigênio, 78% de nitrogênio e 1% de outros gases, como o dióxido de carbono e gases nobres
  3. 3
    o espaço aéreo
  4. 4
    vento, brisa, aragem
  5. 5
    aparência, fisionomia, semblante
  6. 6
    indício:
  7. 7
    gás ou vapor
  8. 8
    ataque repentino de causa atribuída por golpe de ar, paralisia, estupor
  9. 9
    maneiras, modos; ares

Recorded use

Wiktionary examples

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

  1. Depois da chuva, era possível sentir o ar puro entrando no peito.
  2. A explosão fez os pedaços dos tijolos voarem pelos ares.

This word in other languages

air(English)aire(Español)air(Français)Luft(Deutsch)

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "ar"?
"ar" is spelled A-R.
What does "ar" mean?
As a noun, "ar" means: fluido gasoso que envolve todo o planeta Terra; atmosfera
What words are commonly confused with "ar"?
"ar" is commonly confused with "As", "at", "av". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "ar" come from?
"ar" 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.
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