installation
/ˌɪnstəˈleɪʃən/
"installation" is a 12-letter English headword indexed on PlainSpell.
The verdict
“installation” is a regularly-used English word, ranked #5,508 in English word frequency and used as a noun.
- #5,508
- frequency rank, English
- 12
- letters
- 17
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An act of installing.
| Property | Value |
|---|---|
| Headword | installation |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌɪnstəˈleɪʃən/ |
| Letters | 12 |
| Frequency rank | #5,508 |
| Misspellings tracked | 17 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “installation” sits in English frequency
Spelling & Dictionary Insight
The English entry for installation is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌɪnstəˈleɪʃən/. Corpus data places it at rank #5,508 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 4 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 installation, with forms such as "innstallation", "insatllation", and "insstallation". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From Middle French installation, from Medieval Latin installātiō. By surface analysis, install + -ation. Compare with Piedmontese istallassion. The correct English form is installation, spelled I-N-S-T-A-L-L-A-T-I-O-N.
Definition
- 1An act of installing.
- 2Something installed, especially the whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.
- 3A work of installation art.
- 4A grouping of facilities that constitute a permanent military base.
Etymology
From Middle French installation, from Medieval Latin installātiō. By surface analysis, install + -ation. Compare with Piedmontese istallassion.
This word in other languages
Common misspellings
Also misspelled as: innstallation,insatllation,insstallation,instalaltion,instalation,installaiton,installasion,installatino,installationn,installatoin,installattion,installtaion,instlalation,insttallation,intsallation,isntallation,nistallation
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of installation - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "installation"?
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Using “installation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-S-T-A-L-L-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɪnstəˈleɪʃən/ (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
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.