airlock

noun

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

"airlock" is a 7-letter English headword indexed on PlainSpell.

The verdict

“airlock” has 10 generated spelling variants in the English index at frequency #45,194. The variants make it a useful spelling check.

#45,194
frequency rank, English
3,931
“A” headwords
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.

Corpus desk

Index EN-airlock · airlock · English

airlock · rank #45,194 · 10 variants · 0 confusables

  • FREQ-MID #45,194
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-MID 10 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Ahmadinejad

Nearest frequency peer: Ahmadinejad (-1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “airlock”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “airlock” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for airlock
PropertyValue
Headwordairlock
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#45,194
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “airlock”

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Ahmadinejad” (#45,193), “afoul” (#45,192), “Alicante” (#45,196). Among 3,931 “A” headwords, “airlock” is #45,194. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around airlock, anoun. Corpus frequency is #45,194 among 3,931 “A” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for airlock, with forms such as "ailrock", "airlcok", and "airllock". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From air + lock. The correct English form is airlock, spelled A-I-R-L-O-C-K.

Definition

  1. 1
    A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.
  2. 2
    A vestibule, foyer or entranceway with doors to the exterior on one end and doors to the interior on the other, functioning to keep indoor and outdoor air, humidity, and air temperatures separate.
  3. 3
    Alternative form of air lock.

Recorded use

Wiktionary example

These source excerpts show how airlock appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. At the head of the machine, we are shown the airlock through which people have to pass to work on the cutting head, as it operates under pressure to prevent leakages into the tunnel.

Etymology

From air + lock.

This word in other languages

sas(Français)Luftschleuse(Deutsch)

Common misspellings

Also misspelled as:

  • ailrock
  • airlcok
  • airllock
  • airlocck
  • airlockk
  • airlokc
  • airolck
  • airrlock
  • arilock
  • iarlock

Misspelling Pattern Breakdown

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

ailrock2airlcok2airllock1airlocck1airlockk1airlokc2airolck2airrlock1
Edit distance from "airlock"

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 "airlock"?
"airlock" is spelled A-I-R-L-O-C-K.
What does "airlock" mean?
As a noun, "airlock" means: A sealed, airtight chamber, such as in a manned spacecraft or submarine, used to provide access to and from the sealed area without allowing air out or water in.
What are common misspellings of "airlock"?
Common misspellings include "ailrock", "airlcok", "airllock", "airlocck", "airlockk". The correct spelling is "airlock".
What is the origin of the word "airlock"?
From air + lock. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "airlock", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

aerials#45,190Angolan#45,204assuage#45,210bazooka#45,221

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

allergen10 variantsbarreled10 variantsbitrate10 variantsupriver10 variants

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

Source: FrequencyWords open word-frequency list