O'Loughlin
"o-loughlin" is a 9-letter English headword indexed on PlainSpell.
The verdict
“O'Loughlin” is uncommon English (frequency #69,298 among 15,494 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #69,298
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A surname from Irish.
Corpus desk
Index EN-o-loughlin · O'Loughlin · English
O'Loughlin · rank #69,298 · 0 variants · 0 confusables
- FREQ-RARE #69,298
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 15,494
- PHOTO-FINISH obnoxiously
Nearest frequency peer: obnoxiously (+2 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 “O'Loughlin”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- northwester…
northwesterly
30,707 corpus weight
- O'Loughlin
O'Loughlin
30,703 corpus weight
- obnoxiously
obnoxiously
30,701 corpus weight
- Oconee
Oconee
30,700 corpus weight
- octahedral
octahedral
30,699 corpus weight
- Okamoto
Okamoto
30,698 corpus weight
What this shows Bars show where “O'Loughlin” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | O'Loughlin |
| Language | English |
| Part of speech | Proper noun |
| Letters | 10 |
| Frequency rank | #69,298 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “O'Loughlin” sits in English frequency
Rare enough to double-check
O'Loughlin is uncommon English at frequency #69,298 among 15,494 “O” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Irish.".
No generated misspelling entries exist for O'Loughlin in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: See Loughlin. The correct English form is O'Loughlin, spelled O-'-L-O-U-G-H-L-I-N.
Definition
- 1A surname from Irish.
Etymology
See Loughlin.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "O'Loughlin"?
What does "O'Loughlin" mean?
What is the origin of the word "O'Loughlin"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "O'Loughlin", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).
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.