exoplanet
"exoplanet" is a 9-letter English headword indexed on PlainSpell.
The verdict
“exoplanet” has 13 generated spelling variants in the English index at frequency #48,228. The variants make it a useful spelling check.
- #48,228
- frequency rank, English
- 18,836
- “E” headwords
- 13
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A planet which exists outside Earth's solar system.
| Property | Value |
|---|---|
| Headword | exoplanet |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #48,228 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “exoplanet” sits in English frequency
A misspelling magnet
The generator records 13 spelling variants around exoplanet, anoun. Corpus frequency is #48,228 among 18,836 “E” headwords. Dominant gloss: "A planet which exists outside Earth's solar system.".
Our generated misspelling index lists 13 likely wrong-spelling variants for exoplanet, with forms such as "eoxplanet", "exolpanet", and "exopalnet". 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 is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Constructed from Ancient Greek: exo- (“outside; extrasolar”) + planet. The correct English form is exoplanet, spelled E-X-O-P-L-A-N-E-T.
Definition
- 1A planet which exists outside Earth's solar system.
Etymology
Constructed from Ancient Greek: exo- (“outside; extrasolar”) + planet.
This word in other languages
Common misspellings
Also misspelled as:
- eoxplanet
- exolpanet
- exopalnet
- exoplaent
- exoplanett
- exoplannet
- exoplante
- exopllanet
- exoplnaet
- exopplanet
- expolanet
- exxoplanet
- xeoplanet
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of exoplanet - 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.
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
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Using “exoplanet”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-X-O-P-L-A-N-E-T - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
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.