airvsairedWhat's the difference?

Quick tell: air is a noun, aired is a verb, so they fill different roles in a sentence.

Which to use

“air” is a noun and “aired” is a verb - they look or sound alike but fill different roles in a sentence.

#418
“air” frequency rank
#8,886
“aired” frequency rank
9304
confusion score

Side-by-Side Comparison

Feature air aired
Definition The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases. simple past and past participle of air

Where the eye mixes air and aired

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
air
5 ch
aired

Look-alike desk: air vs aired

These two trip readers on the page rather than in the ear: air is /ˈɛə/ while aired is /ɛəd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “air” sits inside “aired”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 9304, derived from the frequency rank of both members and their visual similarity.

air is recorded at frequency rank #418, classified as anoun, pronounced /ˈɛə/. aired is at rank #8,886, tagged as averb, pronounced /ɛəd/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 9304, this pair ranks #498,075 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of air vs aired

Shared letters: air. Private to "air": -. Private to "aired": de.

"air" · 3 letters · shape VVC  ·  "aired" · 5 letters · shape VVCVC

Known mistypes of this pair

  • airedaierd · airde · airedd · airred · aried · iared

Frequently Asked Questions

Is swapping "air" for "aired" ever safe?
No - they are not even the same part of speech. "air" is a noun and "aired" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "air" vs "aired" - which ranks higher?
"air" is the more common of the two: it sits at frequency rank #418 in our English list, against #8,886 for "aired". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "air" and "aired" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "air" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aired" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #498,075 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "air" and "aired" also get mixed up with nearby pairs, the highest-scored neighbour is "aced vs aired". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #498,075 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list