LASIK
/ˈleɪsɪk/
"lasik" is a 5-letter English headword indexed on PlainSpell.
The verdict
“LASIK” is uncommon English (frequency #54,894 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #54,894
- frequency rank, English
- 2,297
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of laser in situ keratomileusis: corrective eye surgery for various refractive disorders in which an excimer laser reshapes the cornea.
Corpus desk
Index EN-lasik · LASIK · English
LASIK · rank #54,894 · 0 variants · 0 confusables
- FREQ-RARE #54,894
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,297
- PHOTO-FINISH lascivious
Nearest frequency peer: lascivious (-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.
Long-tail ranks near “LASIK”
Sparse band: bars invert rank so rarer forms read shorter
- Lafferty
Lafferty
45,111 corpus weight
- lamentable
lamentable
45,109 corpus weight
- lascivious
lascivious
45,108 corpus weight
- LASIK
LASIK
45,107 corpus weight
- lawman
lawman
45,104 corpus weight
- LCA
LCA
45,103 corpus weight
What this shows Long-tail view: where “LASIK” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | LASIK |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈleɪsɪk/ |
| Letters | 5 |
| Frequency rank | #54,894 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “LASIK” in English
Rare enough to double-check
LASIK is uncommon English at frequency #54,894 among 2,297 “L” headwords, classed as anoun, transcribed /ˈleɪsɪk/. Rarity is why readers land here mid-draft. Gloss: "Abbreviation of laser in situ keratomileusis: corrective eye surgery for various refractive disorders in which an excimer laser reshapes the cornea.".
Zero misspellings are on record for LASIK in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is LASIK, spelled L-A-S-I-K.
Definition
- 1Abbreviation of laser in situ keratomileusis: corrective eye surgery for various refractive disorders in which an excimer laser reshapes the cornea.
Recorded use
Wiktionary examplesThese source excerpts show how LASIK appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In LASIK surgery, a computer-controlled laser is used to reshape the cornea.
After LASIK, most patients see well enough to pass a driver's license exam without glasses or contact lenses.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "LASIK", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).