luminosity

Name: luminosity, 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

“luminosity” has 15 generated spelling variants in the English index at frequency #32,904. The variants make it a useful spelling check.

#32,904
frequency rank, English: 2,297
“L” headwords: 15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - the state of being luminous, or a luminous object; brilliance or radiance

Corpus desk

Index EN-luminosity · luminosity · English

luminosity · rank #32,904 · 15 variants · 0 confusables

FREQ-MID #32,904
LEN-MEGA 10 letters
VOW-5 5 vowels
CONFUS-0 No pairs
VAR-HIGH 15 variants
BOOK-MID 2,297
PHOTO-FINISH Luo

Nearest frequency peer: Luo (+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.

loa

67,102
Lourdes

67,100
luminosity

67,097
Luo

67,096
magpie

67,094
Maoist

67,093

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

Key facts for luminosity
Property	Value
Headword	luminosity
Language	English
Part of speech	Noun
Letters	10
Frequency rank	#32,904
Misspellings tracked	15
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “luminosity”

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

#32,904

#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 “Luo” (#32,905), “Lourdes” (#32,901), “magpie” (#32,907). Among 2,297 “L” headwords, “luminosity” is #32,904. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around luminosity, anoun. Corpus frequency is #32,904 among 2,297 “L” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 15 likely wrong-spelling variants for luminosity, with forms such as "lluminosity", "lmuinosity", and "luimnosity". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. 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: Borrowed from French luminosité or else a native formation from luminous + -ity. The correct English form is luminosity, spelled L-U-M-I-N-O-S-I-T-Y.

Definition

1
the state of being luminous, or a luminous object; brilliance or radiance
2
the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
3
The rate at which a star radiates energy in all directions.

Recorded use

Wiktionary examples

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

They reported encountering a luminosity of great intensity and loving angelic beings.
We recognize the same pattern as in the left panel, with dM stars being much less frequent flarers than dMe stars of similar luminosity.

Etymology

Borrowed from French luminosité or else a native formation from luminous + -ity.

This word in other languages

luminosidad(Español)luminosité(Français)Helligkeit(Deutsch)

Common misspellings

Also misspelled as:

lluminosity
lmuinosity
luimnosity
luminnosity
luminoisty
luminositty
luminosityy
luminosiyt
luminossity
luminostiy
luminsoity
lumionsity
lumminosity
lumniosity
ulminosity

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of luminosity - 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 "luminosity"

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 "luminosity"?

"luminosity" is spelled L-U-M-I-N-O-S-I-T-Y.

What does "luminosity" mean?

As a noun, "luminosity" means: the state of being luminous, or a luminous object; brilliance or radiance

What are common misspellings of "luminosity"?

Common misspellings include "lluminosity", "lmuinosity", "luimnosity", "luminnosity", "luminoisty". The correct spelling is "luminosity".

What is the origin of the word "luminosity"?

Borrowed from French luminosité or else a native formation from luminous + -ity. 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 "luminosity", not the corpus desk frequency band.

Same letter count

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

meandering#32,916 minimalism#32,923 misgivings#32,924 misogynist#32,925

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

interfaith15 variants infraction15 variants perpetuity15 variants Polynesian15 variants