expiration date
"expiration-date" is a 14-letter English headword indexed on PlainSpell.
The verdict
“expiration date” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A date by which an object either should not be used or loses its value, depending upon the item.
| Property | Value |
|---|---|
| Headword | expiration date |
| Language | English |
| Part of speech | Noun |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “expiration date” sits in English frequency
Rare enough to double-check
expiration date is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A date by which an object either should not be used or loses its value, depending upon the item.".
expiration date doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. 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.
No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is expiration date, spelled E-X-P-I-R-A-T-I-O-N- -D-A-T-E.
Definition
- 1A date by which an object either should not be used or loses its value, depending upon the item.
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.
Frequently Asked Questions
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Using “expiration date”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-X-P-I-R-A-T-I-O-N- -D-A-T-E - every other letter order is a misspelling in standard orthography.
- 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.