comorbidity
/ˌkəʊmɔː(ɹ)ˈbɪdɪti/
"comorbidity" is a 11-letter English headword indexed on PlainSpell.
The verdict
“comorbidity” is uncommon English (frequency #73,971 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #73,971
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The presence of one or more disorders (or diseases) in addition to a primary disease or disorder.
Corpus desk
Index EN-comorbidity · comorbidity · English
comorbidity · rank #73,971 · 0 variants · 0 confusables
- FREQ-RARE #73,971
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH commiserate
Nearest frequency peer: commiserate (-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.
Long-tail ranks near “comorbidity”
Sparse band: bars invert rank so rarer forms read shorter
- clop
clop
26,034 corpus weight
- cobs
cobs
26,033 corpus weight
- commiserate
commiserate
26,031 corpus weight
- comorbidity
comorbidity
26,030 corpus weight
- complainer
complainer
26,028 corpus weight
- compulsorily
compulsorily
26,027 corpus weight
What this shows Long-tail view: where “comorbidity” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | comorbidity |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌkəʊmɔː(ɹ)ˈbɪdɪti/ |
| Letters | 11 |
| Frequency rank | #73,971 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “comorbidity” in English
Rare enough to double-check
comorbidity is uncommon English at frequency #73,971 among 5,599 “C” headwords, classed as anoun, transcribed /ˌkəʊmɔː(ɹ)ˈbɪdɪti/. Rarity is why readers land here mid-draft. 3 senses are on record.
No misspelling variants are generated for comorbidity in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From co- + morbidity or comorbid + -ity. The correct English form is comorbidity, spelled C-O-M-O-R-B-I-D-I-T-Y.
Definition
- 1The presence of one or more disorders (or diseases) in addition to a primary disease or disorder.
- 2A disease thus coexisting.
- 3The effect of such additional disorders or diseases.
Recorded use
Wiktionary examplesThese source excerpts show how comorbidity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Extensive comorbidity is the hallmark of immunodeficiencies.
The reported comorbidity between categorical personality disorders and OCD ranges between 33 and 87 percent (Bejerot et al, 1998).
Etymology
From co- + morbidity or comorbid + -ity.
Synonyms
This word in other languages
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "comorbidity", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).