Air or err?
air is a noun meaning “The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen…”; err is a verb meaning “To make a mistake”. Use air as a noun and err as a verb (err is also a noun: “Abbreviation of errors”). In written English (wordfreq, 2021 data) air is about 95 times as common as err.
What is the difference between air and err?
| air | err | |
|---|---|---|
| Part of speech | noun, verb, adjective | verb, interjection, noun |
| Meaning | The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases The substance of the atmosphere seen as an agency of freshness To bring (something) into contact with the air, so as to freshen or dry it | To make a mistake To sin Elongated form of er (“sound of hesitation”) |
| Example | This drill runs on compressed air | He erred in his calculations, and made many mistakes |
| Forms | airs | errs, erring, erred |
| Pronunciation | /ˈɛə̯/ [ˈɛə̯] /ˈɛː/ | /ɜː/ /ɛɚ/ /ɝ/ |
| In writing | 234 times per million words | 2.5 times per million words |
Sources: air and err 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 air and err
air
- 1
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases
This drill runs on compressed air
- 2
To bring (something) into contact with the air, so as to freshen or dry it
I'll hang these clothes on the rack to air them
- 3
Pronunciation spelling of are
- 4
Pronunciation spelling of hair
- 5
The substance of the atmosphere seen as an agency of freshness
I'm going outside to get some air
- 6
To let fresh air into (a room or a building), to ventilate
It's getting quite stuffy in this room: let's open the windows and air it
- 7
One of the four elements of the ancient Greeks and Romans
- 8
To make public (an opinion, concern, issue, secret, differences, etc); to present to public view (and sometimes discussion)
Residents used the public meeting to air their concerns about the poor state of the roads
err
- 1
To make a mistake
He erred in his calculations, and made many mistakes
- 2
Elongated form of er (“sound of hesitation”)
Err... what did you just say?
- 3
Abbreviation of errors
- 4
To sin
To err is human, to forgive, divine
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, air or err?
air appears 234 times per million words; err 2.5 times per million words.
air 234 times per million wordserr 2.5 times per million words
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).