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EIN

/iː.ɪn/noun

EIN is spelled E-I-N: 3 letters and one syllable. It appears 1.7 times per million words in written English, the 21,798th most frequent word form (wordfreq, 2021 data). As a noun, EIN means “Initialism of Employer Identification Number” (English Wiktionary, September 2026). The plural of EIN is EINs.

How many letters and syllables are in EIN?

Letters3: E-I-N
Syllables1 (from its American pronunciation)
In writing1.7 times per million words; the 21,798th most frequent word form
Wrong spellings searchednone measured in search

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).

How common is EIN?

EIN appears 1.7 times per million words in written English, the 21,798th 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 EIN?

  • /iː.ɪn/

EIN 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).

Forms of EIN

  • EINs plural

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

What does EIN mean?

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

noun

  1. 1

    USInitialism of Employer Identification Number.

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

Where does EIN come from?

Alteration of -in.

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

What to look up after EIN