autofocus
"autofocus" is a 9-letter English headword indexed on PlainSpell.
The verdict
“autofocus” is an uncommon English word, ranked #51,551 in English word frequency and used as a noun.
- #51,551
- frequency rank, English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically
| Property | Value |
|---|---|
| Headword | autofocus |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #51,551 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “autofocus” sits in English frequency
Spelling & Dictionary Insight
The English entry for autofocus is 9 letters long, classified as a noun. Corpus data places it at rank #51,551 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically".
Our edit-distance generator produced no likely misspellings for autofocus, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From auto- + focus. The correct English form is autofocus, spelled A-U-T-O-F-O-C-U-S.
Definition
- 1A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically
Etymology
From auto- + focus.
Synonyms
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 “autofocus”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-U-T-O-F-O-C-U-S - every other letter order is a misspelling in standard orthography.
- 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.