Costigan
"costigan" is a 8-letter English headword indexed on PlainSpell.
The verdict
“Costigan” is uncommon English (frequency #65,796 among 5,599 “C” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #65,796
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A surname from Irish.
Corpus desk
Index EN-costigan · Costigan · English
Costigan · rank #65,796 · 0 variants · 0 confusables
- FREQ-RARE #65,796
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH Corry
Nearest frequency peer: Corry (-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 “Costigan”
Sparse band: bars invert rank so rarer forms read shorter
- concentrator
concentrator
34,209 corpus weight
- Corry
Corry
34,206 corpus weight
- Costigan
Costigan
34,205 corpus weight
- cowling
cowling
34,204 corpus weight
- cravat
cravat
34,201 corpus weight
- creditworth…
creditworthiness
34,200 corpus weight
What this shows Long-tail view: where “Costigan” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Costigan |
| Language | English |
| Part of speech | Proper noun |
| Letters | 8 |
| Frequency rank | #65,796 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Costigan” in English
Rare enough to double-check
Costigan is uncommon English at frequency #65,796 among 5,599 “C” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Irish.".
Our edit-distance generator produced no likely misspellings for Costigan, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: Anglicized form of Irish Mac Oistigín (“son of Oistigín”), probably a Gaelicized form of the personal name Hodgkin. The correct English form is Costigan, spelled C-O-S-T-I-G-A-N.
Definition
- 1A surname from Irish.
Etymology
Anglicized form of Irish Mac Oistigín (“son of Oistigín”), probably a Gaelicized form of the personal name Hodgkin.
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 "Costigan", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).