30th
/ˈθɜː.ti.əθ/
"30th" is a 2-letter English headword indexed on PlainSpell.
The verdict
“30th” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 4
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of thirtieth.
Corpus desk
Index EN-30th · 30th · English
30th · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MID 4 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "3" 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 | 30th |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˈθɜː.ti.əθ/ |
| Letters | 4 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “30th” in English
Rare enough to double-check
30th is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˈθɜː.ti.əθ/. Rarity is why readers land here mid-draft. Gloss: "Abbreviation of thirtieth.".
Our edit-distance generator produced no likely misspellings for 30th, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is 30th, spelled 3-0-T-H.
Definition
- 1Abbreviation of thirtieth.
This word in other languages
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.