rheumatoid

adj

"rheumatoid" is a 10-letter English headword indexed on PlainSpell.

The verdict

“rheumatoid” has 14 generated spelling variants in the English index at frequency #27,623. The variants make it a useful spelling check.

#27,623
frequency rank, English
3,094
“R” headwords
14
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Involving or pertaining to rheumatism, especially rheumatoid arthritis.

Corpus desk

Index EN-rheumatoid · rheumatoid · English

rheumatoid · rank #27,623 · 14 variants · 1 confusable

  • FREQ-MID #27,623
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH responsiveness

Nearest frequency peer: responsiveness (-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.

Rank peers near misspelling magnet “rheumatoid”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

rheumatoid vs rheumatic
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for rheumatoid
PropertyValue
Headwordrheumatoid
LanguageEnglish
Part of speechAdjective
Letters10
Frequency rank#27,623
Misspellings tracked14
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “rheumatoid”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).rheumatoidlands here:

#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 “responsiveness” (#27,622), “roscoe” (#27,624), “rosetta” (#27,625). Among 3,094 “R” headwords, “rheumatoid” is #27,623. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around rheumatoid, anadjective. Corpus frequency is #27,623 among 3,094 “R” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for rheumatoid, with forms such as "hreumatoid", "rehumatoid", and "rhemuatoid". 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. It also participates in 1 confusable-pair relationship, "rheumatic", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From rheumat(ism) + -oid. The correct English form is rheumatoid, spelled R-H-E-U-M-A-T-O-I-D.

Definition

  1. 1
    Involving or pertaining to rheumatism, especially rheumatoid arthritis.
  2. 2
    Presenting analogies with rheumatism.

Recorded use

Wiktionary examples

These source excerpts show how rheumatoid appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Rheumatoid sufferers have such pain and discomfort every day of their lives that they live eternally in high hopes of something effective turning up.
  2. Juvenile rheumatoid arthritis (JRA), often referred to by doctors today as juvenile idiopathic arthritis (JIA), is a type of arthritis that causes joint inflammation and stiffness for more than six weeks in a child aged 16 or younger. It affects approximately 50,000 children in the United States. Inflammation causes redness, swelling, warmth, and soreness…

Etymology

From rheumat(ism) + -oid.

This word in other languages

Common misspellings

Also misspelled as:

  • hreumatoid
  • rehumatoid
  • rhemuatoid
  • rheuamtoid
  • rheumaotid
  • rheumatiod
  • rheumatodi
  • rheumatoidd
  • rheumattoid
  • rheummatoid
  • rheumtaoid
  • rhheumatoid
  • rhuematoid
  • rrheumatoid

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of rheumatoid - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

hreumatoid2rehumatoid2rhemuatoid2rheuamtoid2rheumaotid2rheumatiod2rheumatodi2rheumatoidd1
Edit distance from "rheumatoid"

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 "rheumatoid"?
"rheumatoid" is spelled R-H-E-U-M-A-T-O-I-D.
What does "rheumatoid" mean?
As an adjective, "rheumatoid" means: Involving or pertaining to rheumatism, especially rheumatoid arthritis.
What words are commonly confused with "rheumatoid"?
"rheumatoid" is commonly confused with "rheumatic". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "rheumatoid"?
From rheumat(ism) + -oid. 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 "rheumatoid", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list