ventilation

/ˌvɛntɪˈleɪʃ(ə)n/

//ˌvɛntɪˈleɪʃ(ə)n// noun

By · According to Wiktionary data (CC BY-SA) ·

"ventilation" is a 11-letter English headword indexed on PlainSpell.

The verdict

“ventilation” is a moderately-common English word, ranked #13,075 in English word frequency and used as a noun.

#13,075
frequency rank, English
11
letters
17
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The replacement of stale or noxious air with fresh.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

ventilation vs ventilator
82% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for ventilation
PropertyValue
Headwordventilation
LanguageEnglish
Part of speechNoun
IPA/ˌvɛntɪˈleɪʃ(ə)n/
Letters11
Frequency rank#13,075
Misspellings tracked17
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “ventilation” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ventilation lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for ventilation is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌvɛntɪˈleɪʃ(ə)n/. Corpus data places it at rank #13,075 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 17 likely wrong-spelling variants for ventilation, with forms such as "evntilation", "venitlation", and "venntilation". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "ventilator", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Borrowed from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilo. Morphologically ventilate + -ion. The correct English form is ventilation, spelled V-E-N-T-I-L-A-T-I-O-N.

Definition

  1. 1
    The replacement of stale or noxious air with fresh.
  2. 2
    The mechanical system used to circulate and replace air.
  3. 3
    An exchange of views during a discussion.
  4. 4
    The public exposure of an issue or topic.
  5. 5
    The bodily process of breathing; the inhalation of air to provide oxygen, and the exhalation of spent air to remove carbon dioxide.
  6. 6
    Ellipsis of mechanical ventilation.

Etymology

Borrowed from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilo. Morphologically ventilate + -ion.

This word in other languages

ventilación(Español)ventilation(Français)Lüftung(Deutsch)ventilação(Português)

Common misspellings

Also misspelled as: evntilation,venitlation,venntilation,ventialtion,ventilaiton,ventilasion,ventilatino,ventilationn,ventilatoin,ventilattion,ventillation,ventiltaion,ventliation,venttilation,vetnilation,vnetilation,vventilation

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ventilation - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

evntilation2venitlation2venntilation1ventialtion2ventilaiton2ventilasion1ventilatino2ventilationn1
Edit distance from "ventilation"

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

How do you spell "ventilation"?
"ventilation" is spelled V-E-N-T-I-L-A-T-I-O-N. The IPA pronunciation is /ˌvɛntɪˈleɪʃ(ə)n/.
What does "ventilation" mean?
As a noun, "ventilation" means: The replacement of stale or noxious air with fresh.
What words are commonly confused with "ventilation"?
"ventilation" is commonly confused with "ventilator". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ventilation"?
The IPA (International Phonetic Alphabet) transcription for "ventilation" is /ˌvɛntɪˈleɪʃ(ə)n/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "ventilation"?
Borrowed from Middle French ventilation, from Old French ventilacion, from Late Latin ventilatio, from Latin ventilo. Morphologically ventilate + -ion. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “ventilation”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is V-E-N-T-I-L-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌvɛntɪˈleɪʃ(ə)n/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “ventilator” - see the side-by-side comparison. ventilation vs ventilator
  • Browse more English words and confusable pairs in the same reference. English words
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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list