morbidity

noun

By · According to Wiktionary data (CC BY-SA) ·

"morbidity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“morbidity” has 14 generated spelling variants in the English index at frequency #30,888. The variants make it a useful spelling check.

#30,888
frequency rank, English
4,057
“M” headwords
14
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of being unhealthful or diseased, sometimes including the cause.

Corpus desk

Index EN-morbidity · morbidity · English

morbidity · rank #30,888 · 14 variants · 2 confusables

  • FREQ-MID #30,888
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 2 pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH monotonous

Nearest frequency peer: monotonous (-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 “morbidity”

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

corpus weight

What this shows “morbidity” 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).

morbidity vs morbidly
78% similar
morbidity vs mobility
78% similar

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

Key facts for morbidity
PropertyValue
Headwordmorbidity
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#30,888
Misspellings tracked14
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “morbidity”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).morbiditylands 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 “monotonous” (#30,887), “Motherwell” (#30,889), “mongering” (#30,886). Among 4,057 “M” headwords, “morbidity” is #30,888. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around morbidity, anoun. Corpus frequency is #30,888 among 4,057 “M” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for morbidity, with forms such as "mmorbidity", "mobridity", and "morbbidity". 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 2 confusable-pair relationships, "morbidly", "mobility", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Recorded since 1721; from morbid + -ity, from Latin morbidus (“diseased”), from morbus (“disease”), from the root of morī (“to die”) or from Proto-Indo-European *mer- (“to rub, pound, wear away”). The correct English form is morbidity, spelled M-O-R-B-I-D-I-T-Y.

Definition

  1. 1
    The quality of being unhealthful or diseased, sometimes including the cause.
  2. 2
    The quality of being morbid; an attitude or state of mind marked by gloom.
  3. 3
    The incidence of a disease, as a rate of a population which is affected.
  4. 4
    An occurrence of illness or disease, or a single symptom of that illness.
  5. 5
    Adverse effects caused by a medical treatment such as surgery.
  6. 6
    The sickness rate of a population.

Recorded use

Wiktionary example

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

  1. He taught him how to be superior to human foibles and how to give a godlike laugh at himself as a way of fending off morbidity. He did all the things for him that a woman is grateful for, except that Magnus is a man.

Etymology

Recorded since 1721; from morbid + -ity, from Latin morbidus (“diseased”), from morbus (“disease”), from the root of morī (“to die”) or from Proto-Indo-European *mer- (“to rub, pound, wear away”).

Synonyms

morbidnessunwholesomeness

This word in other languages

enfermo(Español)morbidité(Français)Morbidität(Deutsch)

Common misspellings

Also misspelled as:

  • mmorbidity
  • mobridity
  • morbbidity
  • morbdiity
  • morbiddity
  • morbiditty
  • morbidityy
  • morbidiyt
  • morbidtiy
  • morbiidty
  • moribdity
  • morrbidity
  • mrobidity
  • omrbidity

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of morbidity - 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.

mmorbidity1mobridity2morbbidity1morbdiity2morbiddity1morbiditty1morbidityy1morbidiyt2
Edit distance from "morbidity"

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 "morbidity"?
"morbidity" is spelled M-O-R-B-I-D-I-T-Y.
What does "morbidity" mean?
As a noun, "morbidity" means: The quality of being unhealthful or diseased, sometimes including the cause.
What words are commonly confused with "morbidity"?
"morbidity" is commonly confused with "morbidly", "mobility". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "morbidity"?
Recorded since 1721; from morbid + -ity, from Latin morbidus (“diseased”), from morbus (“disease”), from the root of morī (“to die”) or from Proto-Indo-European *mer- (“to rub, pound, wear away”). 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 "morbidity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

mongering#30,886muttering#30,892northerly#30,900loosening#30,870

Similar misspelling depth

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

monotonous14 variantsMotherwell14 variantsincursion14 variantsHindustan14 variants

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

Source: FrequencyWords open word-frequency list