moonbase

noun

"moonbase" is a 8-letter English headword indexed on PlainSpell.

The verdict

“moonbase” is uncommon English (frequency #92,892 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#92,892
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A base or outpost located on a moon.

Corpus desk

Index EN-moonbase · moonbase · English

moonbase · rank #92,892 · 0 variants · 0 confusables

  • FREQ-RARE #92,892
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH mononucleosis

Nearest frequency peer: mononucleosis (-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 “moonbase”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “moonbase” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for moonbase
PropertyValue
Headwordmoonbase
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#92,892
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “moonbase” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).moonbasefalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “mononucleosis” (#92,891), “moorman” (#92,893), “mommie” (#92,890). Among 4,057 “M” headwords, “moonbase” is #92,892. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

moonbase is uncommon English at frequency #92,892 among 4,057 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A base or outpost located on a moon.".

We couldn't generate a plausible misspelling set for moonbase, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Compound of moon + base. The correct English form is moonbase, spelled M-O-O-N-B-A-S-E.

Definition

  1. 1
    A base or outpost located on a moon.

Recorded use

Wiktionary example

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

  1. Matahka entered the intersection of the moonbase's basic "T" design. With the gym behind him, he glanced to his right down the first hallway that led to the main entrance. The old dorm pods were now used as offices.

Etymology

Compound of moon + base.

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 "moonbase"?
"moonbase" is spelled M-O-O-N-B-A-S-E.
What does "moonbase" mean?
As a noun, "moonbase" means: A base or outpost located on a moon.
What is the origin of the word "moonbase"?
Compound of moon + base. 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 "moonbase", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list