First Day
"first-day" is a 8-letter English headword indexed on PlainSpell.
The verdict
“First Day” is uncommon English (outside the top frequency list), classed as a proper noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Sunday (the first day of the Judeo-Christian seven day week).
Corpus desk
Index EN-first-day · First Day · English
First Day · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | First Day |
| Language | English |
| Part of speech | Proper noun |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “First Day” in English
Rare enough to double-check
First Day is uncommon English outside the top frequency list, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Sunday (the first day of the Judeo-Christian seven day week).".
First Day doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: Used (like also First Month in place of January, etc) to avoid the pagan associations of the traditional name. The correct English form is First Day, spelled F-I-R-S-T- -D-A-Y.
Definition
- 1Sunday (the first day of the Judeo-Christian seven day week).
Etymology
Used (like also First Month in place of January, etc) to avoid the pagan associations of the traditional name.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.