extension
[ɛk.stɑ̃.sjɔ̃]
The verdict
“extension” is a moderately-common Spanish word, ranked #32,661 in Spanish word frequency and used as a noun.
- #32,661
- frequency rank, Spanish
- 9
- letters
- 14
- tracked misspellings
- 10
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Extensión.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | extension |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [ɛk.stɑ̃.sjɔ̃] |
| Letters | 9 |
| Frequency rank | #32,661 |
| Misspellings tracked | 14 |
| Confusable pairs | 10 |
| Source | Wiktionary (kaikki.org) |
Where “extension” sits in Spanish frequency
Spelling & Dictionary Insight
The Spanish entry for extension is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ɛk.stɑ̃.sjɔ̃]. Corpus data places it at rank #32,661 in overall Spanish word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Extensión.".
Our generated misspelling index lists 14 likely wrong-spelling variants for extension, with forms such as "etxension", "exetnsion", and "extencion". 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. It also participates in 10 confusable-pair relationships, "extenso", "extinción", "extorsión", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is extension, spelled E-X-T-E-N-S-I-O-N.
Definition
- 1Extensión.
Antonyms
Common misspellings
Also misspelled as: etxension,exetnsion,extencion,extenison,extennsion,extensino,extensionn,extensoin,extenssion,extesnion,extnesion,exttension,exxtension,xetension
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of extension - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “extension”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is E-X-T-E-N-S-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as [ɛk.stɑ̃.sjɔ̃] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “extenso” - see the side-by-side comparison. extension vs extenso
- Browse more Spanish words and confusable pairs in the same reference. Spanish 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.