MacArthur
/məˈkɑː(ɹ)θə(ɹ)/
"macarthur" is a 9-letter English headword indexed on PlainSpell.
The verdict
“MacArthur” is a moderately-common English word, ranked #21,575 in English word frequency and used as a proper noun.
- #21,575
- frequency rank, English
- 9
- letters
- 14
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A surname from Scottish Gaelic.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | MacArthur |
| Language | English |
| Part of speech | Proper noun |
| IPA | /məˈkɑː(ɹ)θə(ɹ)/ |
| Letters | 9 |
| Frequency rank | #21,575 |
| Misspellings tracked | 14 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “MacArthur” sits in English frequency
Spelling & Dictionary Insight
The English entry for MacArthur is 9 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as /məˈkɑː(ɹ)θə(ɹ)/. Corpus data places it at rank #21,575 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 14 likely wrong-spelling variants for MacArthur, with forms such as "amcarthur", "maacrthur", and "macarhtur". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "McArthur", where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: See McArthur. The correct English form is MacArthur, spelled M-A-C-A-R-T-H-U-R.
Definition
- 1A surname from Scottish Gaelic.
- 2A census-designated place in Raleigh County, West Virginia, United States.
Etymology
See McArthur.
Common misspellings
Also misspelled as: amcarthur,maacrthur,macarhtur,macarrthur,macarthhur,macarthru,macarthurr,macartthur,macartuhr,macatrhur,maccarthur,macrathur,mcaarthur,mmacarthur
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of MacArthur - 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.
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 "MacArthur"?
What does "MacArthur" mean?
What words are commonly confused with "MacArthur"?
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Using “MacArthur”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is M-A-C-A-R-T-H-U-R - every other letter order is a misspelling in standard orthography.
- Say it as /məˈkɑː(ɹ)θə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “McArthur” - see the side-by-side comparison. MacArthur vs McArthur
- Browse more English words and confusable pairs in the same reference. English words
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.