arthritis
/ɑːˈθɹ(a)ɪtɪs/
"arthritis" is a 9-letter English headword indexed on PlainSpell.
The verdict
“arthritis” is a moderately-common English word, ranked #12,727 in English word frequency and used as a noun.
- #12,727
- frequency rank, English
- 9
- letters
- 14
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders: any of se...
| Property | Value |
|---|---|
| Headword | arthritis |
| Language | English |
| Part of speech | Noun |
| IPA | /ɑːˈθɹ(a)ɪtɪs/ |
| Letters | 9 |
| Frequency rank | #12,727 |
| Misspellings tracked | 14 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “arthritis” sits in English frequency
Spelling & Dictionary Insight
The English entry for arthritis is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɑːˈθɹ(a)ɪtɪs/. Corpus data places it at rank #12,727 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders: any of se...".
Our generated misspelling index lists 14 likely wrong-spelling variants for arthritis, with forms such as "arhtritis", "arrthritis", and "arthhritis". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From Latin arthrītis, from Ancient Greek ἀρθρῖτις (arthrîtis, “joint-disease, gout”), from ἄρθρον (árthron, “a joint”). By surface analysis, arthr- + -itis. The correct English form is arthritis, spelled A-R-T-H-R-I-T-I-S.
Definition
- 1Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders: any of several disease entities.
Etymology
From Latin arthrītis, from Ancient Greek ἀρθρῖτις (arthrîtis, “joint-disease, gout”), from ἄρθρον (árthron, “a joint”). By surface analysis, arthr- + -itis.
This word in other languages
Common misspellings
Also misspelled as: arhtritis,arrthritis,arthhritis,arthirtis,arthriits,arthritiss,arthritsi,arthrittis,arthrritis,arthrtiis,artrhitis,artthritis,atrhritis,rathritis
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of arthritis - 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
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Using “arthritis”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-R-T-H-R-I-T-I-S - every other letter order is a misspelling in standard orthography.
- Say it as /ɑːˈθɹ(a)ɪtɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.