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Aum or om?

aum is a noun meaning “Alternative form of om (“mystical syllable”)”; om is a noun meaning “A sacred, mystical syllable used in prayer and meditation”. In written English (wordfreq, 2021 data) om is about 8.9 times as common as aum.

aumorom

What is the difference between aum and om?

aumom
Part of speechnounnoun, verb, prefix
Meaning

Alternative form of om (“mystical syllable”)

Alternative form of aam

A sacred, mystical syllable used in prayer and meditation

To chant the sacred syllable om

Examplenone recordednone recorded
Formsaumsoms
Pronunciationnot recorded/ɒm/ /əʊm/ /oʊm/
In writingabout once in every 3 million words3.5 times per million words

Sources: aum and om in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of aum and om

aum

  1. 1

    noun Alternative form of om (“mystical syllable”)

  2. 2

    noun Alternative form of aam

  3. 3

    noun Initialism of assets under management

om

  1. 1

    noun A sacred, mystical syllable used in prayer and meditation

  2. 2

    verb To chant the sacred syllable om

  3. 3

    noun Initialism of outer marker

  4. 4

    prefix Alternative form of omo- (“shoulder”)

  5. 5

    noun Initialism of otitis media

  6. 6

    noun Initialism of old measurement

  7. 7

    noun Initialism of old man (term of address for a male)

  8. 8

    noun Initialism of operations manager

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, aum or om?

aum appears about once in every 3 million words; om 3.5 times per million words.

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

The words