lightbulb

noun

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

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

The verdict

“lightbulb” has 15 generated spelling variants in the English index at frequency #41,228. The variants make it a useful spelling check.

#41,228
frequency rank, English
2,297
“L” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Alternative spelling of light bulb.

Corpus desk

Index EN-lightbulb · lightbulb · English

lightbulb · rank #41,228 · 15 variants · 0 confusables

  • FREQ-MID #41,228
  • LEN-LONG 9 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH lifter

Nearest frequency peer: lifter (-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 “lightbulb”

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

corpus weight

What this shows “lightbulb” 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
Key facts for lightbulb
PropertyValue
Headwordlightbulb
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#41,228
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “lightbulb”

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).lightbulblands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “lifter” (#41,227), “lithography” (#41,229), “Lewiston” (#41,226). Among 2,297 “L” headwords, “lightbulb” is #41,228. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around lightbulb, anoun. Corpus frequency is #41,228 among 2,297 “L” headwords. Dominant gloss: "Alternative spelling of light bulb.".

Our generated misspelling index lists 15 likely wrong-spelling variants for lightbulb, with forms such as "ilghtbulb", "lgihtbulb", and "ligghtbulb". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is lightbulb, spelled L-I-G-H-T-B-U-L-B.

Definition

  1. 1
    Alternative spelling of light bulb.

Recorded use

Wiktionary example

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

  1. A young orangutan in the San Diego Zoo became famous for unbolting the screening of his crib, removing the wires, and moving through the zoo nursery, unscrewing lightbulbs.

Common misspellings

Also misspelled as:

  • ilghtbulb
  • lgihtbulb
  • ligghtbulb
  • lighbtulb
  • lighhtbulb
  • lightbbulb
  • lightblub
  • lightbubl
  • lightbulbb
  • lightbullb
  • lighttbulb
  • lightublb
  • ligthbulb
  • lihgtbulb
  • llightbulb

Misspelling Pattern Breakdown

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

ilghtbulb2lgihtbulb2ligghtbulb1lighbtulb2lighhtbulb1lightbbulb1lightblub2lightbubl2
Edit distance from "lightbulb"

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 "lightbulb"?
"lightbulb" is spelled L-I-G-H-T-B-U-L-B.
What does "lightbulb" mean?
As a noun, "lightbulb" means: Alternative spelling of light bulb.
What are common misspellings of "lightbulb"?
Common misspellings include "ilghtbulb", "lgihtbulb", "ligghtbulb", "lighbtulb", "lighhtbulb". The correct spelling is "lightbulb".
What language does "lightbulb" come from?
"lightbulb" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "lightbulb", not the corpus desk frequency band.

Same letter count

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

loathsome#41,230Knightley#41,217Masterson#41,242matriarch#41,243

Similar misspelling depth

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

omniscient15 variantsovershadow15 variantsreposition15 variantsRosenstein15 variants

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

Source: FrequencyWords open word-frequency list