lidocaine
/ˈlɪd.ə(ʊ).keɪn/
"lidocaine" is a 9-letter English headword indexed on PlainSpell.
The verdict
“lidocaine” is uncommon English (frequency #50,643 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.
- #50,643
- frequency rank, English
- 2,297
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A crystalline compound C₁₄H₂₂N₂O that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent.
Corpus desk
Index EN-lidocaine · lidocaine · English
lidocaine · rank #50,643 · 0 variants · 0 confusables
- FREQ-RARE #50,643
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,297
- PHOTO-FINISH leotard
Nearest frequency peer: leotard (-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 “lidocaine”
Sparse band: bars invert rank so rarer forms read shorter
- Leann
Leann
49,362 corpus weight
- leotard
leotard
49,359 corpus weight
- lidocaine
lidocaine
49,358 corpus weight
- lionheart
lionheart
49,357 corpus weight
- Lorelai
Lorelai
49,356 corpus weight
- loveliness
loveliness
49,354 corpus weight
What this shows Long-tail view: where “lidocaine” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | lidocaine |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈlɪd.ə(ʊ).keɪn/ |
| Letters | 9 |
| Frequency rank | #50,643 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “lidocaine” in English
Rare enough to double-check
lidocaine is uncommon English at frequency #50,643 among 2,297 “L” headwords, classed as anoun, transcribed /ˈlɪd.ə(ʊ).keɪn/. Rarity is why readers land here mid-draft. Gloss: "A crystalline compound C₁₄H₂₂N₂O that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent.".
The misspelling generator found no plausible variants for lidocaine, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From (acetani)lid(e) + -o- + -caine, from cocaine. The correct English form is lidocaine, spelled L-I-D-O-C-A-I-N-E.
Definition
- 1A crystalline compound C₁₄H₂₂N₂O that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent.
Recorded use
Wiktionary exampleThese source excerpts show how lidocaine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In addition, 0.5 ml of 1% lidocaine HCl was injected subcutaneously in the postauricular area for local anesthesia.
Etymology
From (acetani)lid(e) + -o- + -caine, from cocaine.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "lidocaine", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).