osteoarthritis

Name: osteoarthritis, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“osteoarthritis” has 21 generated spelling variants in the English index at frequency #39,004. The variants make it a useful spelling check.

#39,004
frequency rank, English: 1,431
“O” headwords: 21
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness.

Corpus desk

Index EN-osteoarthritis · osteoarthritis · English

osteoarthritis · rank #39,004 · 21 variants · 0 confusables

FREQ-MID #39,004
LEN-MEGA 14 letters
VOW-6 6 vowels
CONFUS-0 No pairs
VAR-HIGH 21 variants
BOOK-MID 1,431
PHOTO-FINISH Otago

Nearest frequency peer: Otago (+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.

oddball

61,001
offload

61,000
osteoarthri…

60,997
Otago

60,996
outcrop

60,995
outlander

60,994

What this shows “osteoarthritis” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Key facts for osteoarthritis
Property	Value
Headword	osteoarthritis
Language	English
Part of speech	Noun
Letters	14
Frequency rank	#39,004
Misspellings tracked	21
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “osteoarthritis”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).osteoarthritislands here:

#39,004

#1#100#1K#10K#100K

← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “Otago” (#39,005), “outcrop” (#39,006), “offload” (#39,001). Among 1,431 “O” headwords, “osteoarthritis” is #39,004. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 21 spelling variants around osteoarthritis, anoun. Corpus frequency is #39,004 among 1,431 “O” headwords. Dominant gloss: "A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness.".

Our generated misspelling index lists 21 likely wrong-spelling variants for osteoarthritis, with forms such as "osetoarthritis", "ossteoarthritis", and "osteaorthritis". 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. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From osteo- + arthritis. The correct English form is osteoarthritis, spelled O-S-T-E-O-A-R-T-H-R-I-T-I-S.

Definition

1
A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness.

Etymology

From osteo- + arthritis.

This word in other languages

artrosis(Español)arthrose(Français)artrose(Português)

Common misspellings

Also misspelled as:

osetoarthritis
ossteoarthritis
osteaorthritis
osteoarhtritis
osteoarrthritis
osteoarthhritis
osteoarthirtis
osteoarthriits
osteoarthritiss
osteoarthritsi
osteoarthrittis
osteoarthrritis
osteoarthrtiis
osteoartrhitis
osteoartthritis
osteoatrhritis
osteorathritis
ostoearthritis
ostteoarthritis
otseoarthritis
soteoarthritis

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of osteoarthritis - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

Edit distance from "osteoarthritis"

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 "osteoarthritis"?

"osteoarthritis" is spelled O-S-T-E-O-A-R-T-H-R-I-T-I-S.

What does "osteoarthritis" mean?

As a noun, "osteoarthritis" means: A form of arthritis, affecting mainly older people, caused by chronic degeneration of the cartilage and synovial membrane of the joints, leading to pain and stiffness.

What are common misspellings of "osteoarthritis"?

Common misspellings include "osetoarthritis", "ossteoarthritis", "osteaorthritis", "osteoarhtritis", "osteoarrthritis". The correct spelling is "osteoarthritis".

What is the origin of the word "osteoarthritis"?

From osteo- + arthritis. 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 "osteoarthritis", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

insufficiently#38,910 stratification#39,114 unconscionable#39,144 unrecognizable#39,147

Similar misspelling depth

Headwords with a similar count of attested misspellings (21 here; floor ≥5).

strangulation21 variants distinctively21 variants typographical21 variants postsecondary21 variants