astronomical

/ˌæs.tɹəˈnɒm.ɪ.kəl/

//ˌæs.tɹəˈnɒm.ɪ.kəl// adj

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

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

The verdict

“astronomical” has 18 generated spelling variants in the English index at frequency #15,098. The variants make it a useful spelling check.

#15,098
frequency rank, English
3,931
“A” headwords
18
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or relating to astronomy.

Corpus desk

Index EN-astronomical · astronomical · English

astronomical · rank #15,098 · 18 variants · 1 confusable

  • FREQ-MID #15,098
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH arbor

Nearest frequency peer: arbor (-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 “astronomical”

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

corpus weight

What this shows “astronomical” 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

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

astronomical vs astrological
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for astronomical
PropertyValue
Headwordastronomical
LanguageEnglish
Part of speechAdjective
IPA/ˌæs.tɹəˈnɒm.ɪ.kəl/
Letters12
Frequency rank#15,098
Misspellings tracked18
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “astronomical”

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

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “arbor” (#15,097), “ancestor” (#15,096), “attire” (#15,100). Among 3,931 “A” headwords, “astronomical” is #15,098. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around astronomical (IPA /ˌæs.tɹəˈnɒm.ɪ.kəl/), anadjective. Corpus frequency is #15,098 among 3,931 “A” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 18 likely wrong-spelling variants for astronomical, with forms such as "asrtonomical", "asstronomical", and "astornomical". 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. It also participates in 1 confusable-pair relationship, "astrological", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós). The correct English form is astronomical, spelled A-S-T-R-O-N-O-M-I-C-A-L.

Definition

  1. 1
    Of or relating to astronomy.
  2. 2
    Very large; of vast measure.

Recorded use

Wiktionary examples

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

  1. Finally, all men saw that astronomical knowledge lied not, and they awaited the comet.
  2. Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.

Etymology

Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós).

Synonyms

astronomic

This word in other languages

astronómico(Español)astronomique(Français)astronomisch(Deutsch)astronômico(Português)

Common misspellings

Also misspelled as:

  • asrtonomical
  • asstronomical
  • astornomical
  • astrnoomical
  • astronmoical
  • astronnomical
  • astronoimcal
  • astronomcial
  • astronomiacl
  • astronomicall
  • astronomiccal
  • astronomicla
  • astronommical
  • astroonmical
  • astrronomical
  • asttronomical
  • atsronomical
  • satronomical

Misspelling Pattern Breakdown

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

asrtonomical2asstronomical1astornomical2astrnoomical2astronmoical2astronnomical1astronoimcal2astronomcial2
Edit distance from "astronomical"

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 "astronomical"?
"astronomical" is spelled A-S-T-R-O-N-O-M-I-C-A-L. The IPA pronunciation is /ˌæs.tɹəˈnɒm.ɪ.kəl/.
What does "astronomical" mean?
As an adjective, "astronomical" means: Of or relating to astronomy.
What words are commonly confused with "astronomical"?
"astronomical" is commonly confused with "astrological". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "astronomical"?
The IPA (International Phonetic Alphabet) transcription for "astronomical" is /ˌæs.tɹəˈnɒm.ɪ.kəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "astronomical"?
Attested since at least 1550, from Middle French astronomique or directly from Latin astronomicus, from Ancient Greek ἀστρονομικός (astronomikós). 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 "astronomical", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

choreography#15,127Scandinavian#15,264supplemental#15,285ridiculously#14,828

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

fingerprint18 variantsNorthampton18 variantsblockbuster18 variantspersistence18 variants

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

Source: FrequencyWords open word-frequency list