Sinclair

/sɪŋˈklɛə/

//sɪŋˈklɛə// name

"sinclair" is a 8-letter English headword indexed on PlainSpell.

The verdict

“Sinclair” has 12 generated spelling variants in the English index at frequency #13,063. The variants make it a useful spelling check.

#13,063
frequency rank, English
6,566
“S” headwords
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A Scottish surname transferred from the given name, that of a clan.

Corpus desk

Index EN-sinclair · Sinclair · English

Sinclair · rank #13,063 · 12 variants · 0 confusables

  • FREQ-MID #13,063
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-MID 12 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH sinister

Nearest frequency peer: sinister (+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.

Frequency neighbourhood for “Sinclair”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “Sinclair” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Sinclair
PropertyValue
HeadwordSinclair
LanguageEnglish
Part of speechProper noun
IPA/sɪŋˈklɛə/
Letters8
Frequency rank#13,063
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Sinclair” sits in English frequency

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).Sinclairlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “sinister” (#13,064), “stared” (#13,065), “Sheikh” (#13,060). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around Sinclair (IPA /sɪŋˈklɛə/), aproper noun. Corpus frequency is #13,063 among 6,566 “S” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for Sinclair, with forms such as "isnclair", "sicnlair", and "sincalir". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Derived from Saint Clare, to whom the clan's churches were dedicated. The correct English form is Sinclair, spelled S-I-N-C-L-A-I-R.

Definition

  1. 1
    A Scottish surname transferred from the given name, that of a clan.
  2. 2
    A male given name transferred from the surname.
  3. 3
    A placename:
  4. 4
    A placename:
  5. 5
    A placename:
  6. 6
    A placename:
  7. 7
    A placename:

Recorded use

Wiktionary examples

These source excerpts show how Sinclair appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. In molecular biologist David Sinclair’s lab at Harvard Medical School, old mice are growing young again. Using proteins that can turn an adult cell into a stem cell, Sinclair and his team have reset aging cells in mice to earlier versions of themselves.
  2. On a merchant ship, Father Sinclair had to do safety drills every 10 days. On a fishing vessel, it’s monthly, and there is no requirement to check the log to see if the drill has been done or done correctly.

Etymology

Derived from Saint Clare, to whom the clan's churches were dedicated.

Common misspellings

Also misspelled as:

  • isnclair
  • sicnlair
  • sincalir
  • sincclair
  • sinclairr
  • sinclari
  • sincliar
  • sincllair
  • sinlcair
  • sinnclair
  • sniclair
  • ssinclair

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Sinclair - 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.

isnclair2sicnlair2sincalir2sincclair1sinclairr1sinclari2sincliar2sincllair1
Edit distance from "Sinclair"

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 "Sinclair"?
"Sinclair" is spelled S-I-N-C-L-A-I-R. The IPA pronunciation is /sɪŋˈklɛə/.
What does "Sinclair" mean?
As a proper noun, "Sinclair" means: A Scottish surname transferred from the given name, that of a clan.
What are common misspellings of "Sinclair"?
Common misspellings include "isnclair", "sicnlair", "sincalir", "sincclair", "sinclairr". The correct spelling is "Sinclair".
How do you pronounce "Sinclair"?
The IPA (International Phonetic Alphabet) transcription for "Sinclair" is /sɪŋˈklɛə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Sinclair"?
Derived from Saint Clare, to whom the clan's churches were dedicated. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Sinclair", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

What to do next

You've looked up "Sinclair". Here's where to go from here.

  • 12 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #13,063 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "S" letter cohort. S–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list