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Confirmation or conformation?

confirmation is a noun meaning “An official indicator that things will happen as planned”; conformation is a noun meaning “The act of conforming; the act of producing conformity”. In written English (wordfreq, 2021 data) confirmation is about 17 times as common as conformation.

confirmationorconformation

What is the difference between confirmation and conformation?

confirmationconformation
Part of speechnounnoun
Meaning

An official indicator that things will happen as planned

A verification that something is true or has happened

The act of conforming; the act of producing conformity

The state of being conformed; agreement

ExampleWe will send you a written confirmation of your hotel bookingnone recorded
Formsconfirmationsconformations
Pronunciation/ˌkɑn.fəɹˈmeɪ.ʃən/ [ˌkʰɑɱ.fɚˈmeɪ.ʃn̩] /ˌkɒn.fəˈmeɪ.ʃən//kɒn.fɔːˈmeɪ.ʃən/ /kɒn.fəˈmeɪʃən/ /kɑnfɚˈmeɪʃən/
In writing12 times per million wordsabout once in every 1 million words

Sources: confirmation and conformation 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 confirmation and conformation

confirmation

  1. 1

    noun An official indicator that things will happen as planned

    We will send you a written confirmation of your hotel booking

  2. 2

    noun A verification that something is true or has happened

    The announcement in the newspaper was a confirmation of my suspicions

  3. 3

    noun A ceremony of sealing and conscious acknowledgement of the faith in many Christian churches, typically around the ages of 14 to 18; considered a sacrament in some churches, including Catholicism, but…

  4. 4

    noun An act whereby something conditional or voidable is made sure and unavoidable, especially the possession of an estate

conformation

  1. 1

    noun The act of conforming; the act of producing conformity

  2. 2

    noun The state of being conformed; agreement

  3. 3

    noun Structure, the arrangement of parts of some thing; form; arrangement

  4. 4

    noun The spatial arrangement of a group of atoms in a molecule as a result of rotation about a covalent bond which remains unbroken

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, confirmation or conformation?

confirmation appears 12 times per million words; conformation about once in every 1 million words.

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

The words