oculus

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

/ˈɒk.jʊ.ləs/

//ˈɒk.jʊ.ləs// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“oculus” has 8 generated spelling variants in the English index at frequency #22,755. The variants make it a useful spelling check.

#22,755
frequency rank, English: 1,431
“O” headwords: 8
tracked misspellings: 1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A window or other opening that has an oval or circular shape (as of an eye).

Corpus desk

Index EN-oculus · oculus · English

oculus · rank #22,755 · 8 variants · 1 confusable

FREQ-MID #22,755
LEN-LONG 6 letters
VOW-3 3 vowels
CONFUS-LOW 1 pairs
VAR-MID 8 variants
BOOK-MID 1,431
PHOTO-FINISH obedient

Nearest frequency peer: obedient (-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.

nuclei

77,250
nutty

77,249
OA

77,248
obedient

77,247
oculus

77,246
Ogden

77,245

What this shows “oculus” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Visual similarity to commonly confused words

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

oculus vs ocular

67% similar

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

Key facts for oculus
Property	Value
Headword	oculus
Language	English
Part of speech	Noun
IPA	/ˈɒk.jʊ.ləs/
Letters	6
Frequency rank	#22,755
Misspellings tracked	8
Confusable pairs	1
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “oculus”

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

#22,755

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

← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “obedient” (#22,754), “Ogden” (#22,756), “OA” (#22,753). Among 1,431 “O” headwords, “oculus” is #22,755. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around oculus (IPA /ˈɒk.jʊ.ləs/), anoun. Corpus frequency is #22,755 among 1,431 “O” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for oculus, with forms such as "coulus", "occulus", and "ocluus". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "ocular", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Learned borrowing from Latin oculus (“eye”). Doublet of occhio. The correct English form is oculus, spelled O-C-U-L-U-S.

Definition

1
A window or other opening that has an oval or circular shape (as of an eye).
2
A window or other opening that has an oval or circular shape (as of an eye).

Recorded use

Wiktionary example

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

One can glimpse the sky through the oculus of the Pantheon in Rome.

Etymology

Learned borrowing from Latin oculus (“eye”). Doublet of occhio.

This word in other languages

óculo(Español)œil-de-bœuf(Français)Oculus(Deutsch)

Common misspellings

Also misspelled as:

coulus
occulus
ocluus
ocullus
oculsu
oculuss
ocuuls
ouclus

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of oculus - 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.

Edit distance from "oculus"

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 "oculus"?

"oculus" is spelled O-C-U-L-U-S. The IPA pronunciation is /ˈɒk.jʊ.ləs/.

What does "oculus" mean?

As a noun, "oculus" means: A window or other opening that has an oval or circular shape (as of an eye).

What words are commonly confused with "oculus"?

"oculus" is commonly confused with "ocular". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.

How do you pronounce "oculus"?

The IPA (International Phonetic Alphabet) transcription for "oculus" is /ˈɒk.jʊ.ləs/. 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 "oculus"?

Learned borrowing from Latin oculus (“eye”). Doublet of occhio. 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 "oculus", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

nuclei#22,751 ornate#22,759 Milner#22,741 Marcia#22,738

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

plump8 variants lumps8 variants recoil8 variants rejoin8 variants