Sunday
/ˈsʌn.deɪ/
"sunday" is a 6-letter English headword indexed on PlainSpell.
The verdict
“Sunday” is a regularly-used English word, ranked #1,287 in English word frequency and used as a noun.
- #1,287
- frequency rank, English
- 6
- letters
- 9
- tracked misspellings
- 12
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The first day of the week in many religious traditions, and the seventh day of the week in systems using the ISO 8601 standard; the Christian Sabbath; the Lord's Day; it follows Saturday and preced...
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 | Sunday |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsʌn.deɪ/ |
| Letters | 6 |
| Frequency rank | #1,287 |
| Misspellings tracked | 9 |
| Confusable pairs | 12 |
| Source | Wiktionary (kaikki.org) |
Where “Sunday” sits in English frequency
Spelling & Dictionary Insight
The English entry for Sunday is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈsʌn.deɪ/. Corpus data places it at rank #1,287 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 9 likely wrong-spelling variants for Sunday, with forms such as "snuday", "ssunday", and "sudnay". 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 12 confusable-pair relationships, "SUNY", "sunny", "sundry", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: From Middle English Sonday, from Old English sunnandæġ, from Proto-West Germanic *Sunnōn dag (literally “day of the Sun”), equivalent to sun + day, as a calque (interpretātiō germānica) of Latin diēs Sōlis; declared the "venerable day of the sun" by Roman E… The correct English form is Sunday, spelled S-U-N-D-A-Y.
Definition
- 1The first day of the week in many religious traditions, and the seventh day of the week in systems using the ISO 8601 standard; the Christian Sabbath; the Lord's Day; it follows Saturday and precedes Monday.
- 2A newspaper published on Sunday.
- 3A comic strip published in a Sunday newspaper.
- 4Describes someone who does something occasionally or casually, and therefore without skill.
- 5Describes something particularly fine and elegant, particularly something that could be worn to or used at church.
Etymology
From Middle English Sonday, from Old English sunnandæġ, from Proto-West Germanic *Sunnōn dag (literally “day of the Sun”), equivalent to sun + day, as a calque (interpretātiō germānica) of Latin diēs Sōlis; declared the "venerable day of the sun" by Roman Emperor Constantine on March 7, 321 C.E. Compare Saterland Frisian Sundai (“Sunday”), German Low German Sünndag, Dutch zondag, West Frisian snein, German Sonntag, Danish søndag.
This word in other languages
Common misspellings
Also misspelled as: snuday,ssunday,sudnay,sunady,sundayy,sundday,sundya,sunnday,usnday
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Sunday - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "Sunday"?
What does "Sunday" mean?
What words are commonly confused with "Sunday"?
How do you pronounce "Sunday"?
What is the origin of the word "Sunday"?
Is PlainSpell free to use?
Using “Sunday”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-N-D-A-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˈsʌn.deɪ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “SUNY” - see the side-by-side comparison. Sunday vs SUNY
- 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.