moonlighting

noun

"moonlighting" is a 12-letter English headword indexed on PlainSpell.

The verdict

“moonlighting” is uncommon English (frequency #53,113 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#53,113
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of, or a period of, working on the side (at a secondary job), often in the evening or during the night, either openly or secretly.

Key facts for moonlighting
PropertyValue
Headwordmoonlighting
LanguageEnglish
Part of speechNoun
Letters12
Frequency rank#53,113
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “moonlighting” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

moonlighting is uncommon English at frequency #53,113 among 36,575 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for moonlighting, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This headword's origin isn't recorded in our source data, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is moonlighting, spelled M-O-O-N-L-I-G-H-T-I-N-G.

Definition

  1. 1
    The act of, or a period of, working on the side (at a secondary job), often in the evening or during the night, either openly or secretly.
  2. 2
    Moonshining.

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

How do you spell "moonlighting"?
"moonlighting" is spelled M-O-O-N-L-I-G-H-T-I-N-G.
What does "moonlighting" mean?
As a noun, "moonlighting" means: The act of, or a period of, working on the side (at a secondary job), often in the evening or during the night, either openly or secretly.
What language does "moonlighting" come from?
"moonlighting" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Using “moonlighting”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-O-O-N-L-I-G-H-T-I-N-G - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list