one-year-old
"one-year-old" is a 10-letter English headword indexed on PlainSpell.
The verdict
“one-year-old” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having lived or existed for one year.
Corpus desk
Index EN-one-year-old · one-year-old · English
one-year-old · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 12 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "O" 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 | one-year-old |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “one-year-old” in English
Rare enough to double-check
one-year-old is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having lived or existed for one year.".
No misspelling variants are generated for one-year-old in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From one + year + old. The correct English form is one-year-old, spelled O-N-E---Y-E-A-R---O-L-D.
Definition
- 1Having lived or existed for one year.
Recorded use
Wiktionary exampleThese source excerpts show how one-year-old appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
a one-year-old car
Etymology
From one + year + old.
Synonyms
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.