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ar

/ˈɑɹ/noun, interjection, particle

ar is spelled A-R: 2 letters and one syllable. It appears 11 times per million words in written English, the 6,456th most frequent word form (wordfreq, 2021 data). As a noun, ar means “The name of the Latin script letter R/r” (English Wiktionary, September 2026). The plural of ar is ars.

How many letters and syllables are in ar?

Letters2: A-R
Syllables1 (from its American pronunciation)
In writing11 times per million words; the 6,456th most frequent word form
Wrong spellings searchednone measured in search
Pairs people search
Rhymes with

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is ar?

Ar appears 11 times per million words in written English, the 6,456th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce ar?

  • UK /ˈɑː/
  • US /ˈɑɹ/
  • /ˈaɹ/

Ar has one syllable (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Persent101-ar.wav, Wikimedia Commons (author and licence on each file's page).

Words people confuse with ar

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

Also written: ah, are, arr.

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

What rhymes with ar?

The 12 most written words on PlainSpell end in the same sounds as ar from its last stressed vowel (/ɑɹ/):

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of ar

  • ars plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does ar mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The name of the Latin script letter R/r.

    All the ars in the inscription.

adjective

as AR
  1. 1

    Initialism of autoregressive.

noun

as AR
  1. 1

    An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.

  2. 2

    informalAn assault rifle or automatic rifle.

  3. 3

    Initialism of accounts receivable.

  4. 4

    Initialism of acknowledgment of receipt.

  5. 5

    Initialism of age regression.

  6. 6

    Initialism of augmented reality.

    Near-synonyms: MR, mixed reality, spatial computing, CPS, cyber-physical system

  7. 7

    slangInitialism of alternate reality.

  8. 8

    USInitialism of American record, national record for the United States.

noun

as Ar
  1. 1

    Alternative letter-case form of ar.

interjection

  1. 1

    UKAlternative form of arr.

particle

  1. 1

    UKAlternative form of arr.

  2. 2

    Alternative form of ah (question particle).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Ar in Spanish, French, German and Portuguese

LanguageWords
Frencherre (name of the letter R, r)
Portugueseerre (name of the letter R, r), -ar (of, near, or pertaining to)
Spanisherre, letra canina (name of the letter R, r)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does ar come from?

From Middle English *ar, arres pl, from earlier *er.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after ar