observatory

Name: observatory, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

/əbˈzɜːvət(ə)ɹi/

//əbˈzɜːvət(ə)ɹi// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

“observatory” has 17 generated spelling variants in the English index at frequency #11,080. The variants make it a useful spelling check.

#11,080
frequency rank, English: 15,494
“O” headwords: 17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.

Key facts for observatory
Property	Value
Headword	observatory
Language	English
Part of speech	Noun
IPA	/əbˈzɜːvət(ə)ɹi/
Letters	11
Frequency rank	#11,080
Misspellings tracked	17
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “observatory” 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). observatory lands here:

#11,080

#1#100#1K#10K#100K

← used constantlyrarely used →

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

A misspelling magnet

The generator records 17 spelling variants around observatory (IPA /əbˈzɜːvət(ə)ɹi/), anoun. Corpus frequency is #11,080 among 15,494 “O” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 17 likely wrong-spelling variants for observatory, with forms such as "boservatory", "obbservatory", and "obesrvatory". 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. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from French observatoire. The correct English form is observatory, spelled O-B-S-E-R-V-A-T-O-R-Y.

Definition

1
A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.
2
A lookout (vantage point with a view of the surrounding area)

Etymology

Borrowed from French observatoire.

Synonyms

observatorium

This word in other languages

observatorio(Español)observatoire(Français)Observatorium(Deutsch)observatório(Português)

Common misspellings

Also misspelled as: boservatory,obbservatory,obesrvatory,obseravtory,obserrvatory,observaotry,observatorry,observatoryy,observatoyr,observatroy,observattory,observtaory,observvatory,obsevratory,obsrevatory,obsservatory,osbervatory

Misspelling Pattern Breakdown

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

Edit distance from "observatory"

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 "observatory"?

"observatory" is spelled O-B-S-E-R-V-A-T-O-R-Y. The IPA pronunciation is /əbˈzɜːvət(ə)ɹi/.

What does "observatory" mean?

As a noun, "observatory" means: A place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.

What are common misspellings of "observatory"?

Common misspellings include "boservatory", "obbservatory", "obesrvatory", "obseravtory", "obserrvatory". The correct spelling is "observatory".

How do you pronounce "observatory"?

The IPA (International Phonetic Alphabet) transcription for "observatory" is /əbˈzɜːvət(ə)ɹi/. 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 "observatory"?

Borrowed from French observatoire. 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.

Using “observatory”

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

The one correct English spelling is O-B-S-E-R-V-A-T-O-R-Y - every other letter order is a misspelling in standard orthography.
Say it as /əbˈzɜːvət(ə)ɹi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
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.