aeration
/ɛːˈɹeɪʃ(ə)n/
"aeration" is a 8-letter English headword indexed on PlainSpell.
The verdict
“aeration” is uncommon English (frequency #53,358 among 35,202 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #53,358
- frequency rank, English
- 35,202
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The process by which air is circulated through or mixed with a substance such as soil or a liquid.
| Property | Value |
|---|---|
| Headword | aeration |
| Language | English |
| Part of speech | Noun |
| IPA | /ɛːˈɹeɪʃ(ə)n/ |
| Letters | 8 |
| Frequency rank | #53,358 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “aeration” sits in English frequency
Rare enough to double-check
aeration is uncommon English at frequency #53,358 among 35,202 “A” headwords, classed as anoun, transcribed /ɛːˈɹeɪʃ(ə)n/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for aeration, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is aeration, spelled A-E-R-A-T-I-O-N.
Definition
- 1The process by which air is circulated through or mixed with a substance such as soil or a liquid.
- 2By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “aeration”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-E-R-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ɛːˈɹeɪʃ(ə)n/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.