specialise
"specialise" is a 10-letter English headword indexed on PlainSpell.
The verdict
“specialise” is a moderately-common English word, ranked #35,952 in English word frequency and used as a verb.
- #35,952
- frequency rank, English
- 10
- letters
- 14
- tracked misspellings
- 6
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Non-Oxford British English standard spelling of specialize.
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 | specialise |
| Language | English |
| Part of speech | Verb |
| Letters | 10 |
| Frequency rank | #35,952 |
| Misspellings tracked | 14 |
| Confusable pairs | 6 |
| Source | Wiktionary (kaikki.org) |
Where “specialise” sits in English frequency
Spelling & Dictionary Insight
The English entry for specialise is 10 letters long, classified as a verb. Corpus data places it at rank #35,952 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Non-Oxford British English standard spelling of specialize.".
Our generated misspelling index lists 14 likely wrong-spelling variants for specialise, with forms such as "psecialise", "sepcialise", and "spceialise". 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 6 confusable-pair relationships, "specialist", "specialize", "speciality", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: From special + -ise. The correct English form is specialise, spelled S-P-E-C-I-A-L-I-S-E.
Definition
- 1Non-Oxford British English standard spelling of specialize.
Etymology
From special + -ise.
Common misspellings
Also misspelled as: psecialise,sepcialise,spceialise,specailise,speccialise,speciailse,specialies,specialisse,speciallise,specialsie,specilaise,speicalise,sppecialise,sspecialise
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of specialise - 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 "specialise"?
What does "specialise" mean?
What words are commonly confused with "specialise"?
What is the origin of the word "specialise"?
Is PlainSpell free to use?
Using “specialise”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-P-E-C-I-A-L-I-S-E - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “specialist” - see the side-by-side comparison. specialise vs specialist
- 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.