astronomer
/əˈstɹɒn.ə.mə/
"astronomer" is a 10-letter English headword indexed on PlainSpell.
The verdict
“astronomer” is a moderately-common English word, ranked #23,460 in English word frequency and used as a noun.
- #23,460
- frequency rank, English
- 10
- letters
- 15
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | astronomer |
| Language | English |
| Part of speech | Noun |
| IPA | /əˈstɹɒn.ə.mə/ |
| Letters | 10 |
| Frequency rank | #23,460 |
| Misspellings tracked | 15 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “astronomer” sits in English frequency
Spelling & Dictionary Insight
The English entry for astronomer is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /əˈstɹɒn.ə.mə/. Corpus data places it at rank #23,460 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics.".
Our generated misspelling index lists 15 likely wrong-spelling variants for astronomer, with forms such as "asrtonomer", "asstronomer", and "astornomer". 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 also participates in 2 confusable-pair relationships, "astronomy", "astrologer", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From Middle English astronomer, equivalent to astronomy + -er. The correct English form is astronomer, spelled A-S-T-R-O-N-O-M-E-R.
Definition
- 1One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics.
Etymology
From Middle English astronomer, equivalent to astronomy + -er.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: asrtonomer,asstronomer,astornomer,astrnoomer,astronmoer,astronnomer,astronoemr,astronomerr,astronommer,astronomre,astroonmer,astrronomer,asttronomer,atsronomer,satronomer
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of astronomer - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "astronomer"?
What does "astronomer" mean?
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Using “astronomer”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-S-T-R-O-N-O-M-E-R - every other letter order is a misspelling in standard orthography.
- Say it as /əˈstɹɒn.ə.mə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “astronomy” - see the side-by-side comparison. astronomer vs astronomy
- Browse more English words and confusable pairs in the same reference. English words
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.