IVth
"ivth" is a 4-letter English headword indexed on PlainSpell.
The verdict
“IVth” 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 fourth; 4th.
Corpus desk
Index EN-ivth · IVth · English
IVth · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MID 4 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" 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 | IVth |
| Language | English |
| Part of speech | Adjective |
| Letters | 4 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “IVth” in English
Rare enough to double-check
IVth is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Abbreviation of fourth; 4th.".
No generated misspelling entries exist for IVth in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From IV (Roman numeral representing four) + -th (ordinal suffix). The correct English form is IVth, spelled I-V-T-H.
Definition
- 1Abbreviation of fourth; 4th.
Recorded use
Wiktionary examplesThese source excerpts show how IVth appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The reply from one large branch of the musculo-cutaneous in the forearm is abolished, but not the reply from the other. 3rd section, replies from musculo-cutaneous in forearm abolished; from Ist and IInd palmar and dorsal digitales collaterales reduced. 4th section, replies from Ist, IInd, and IIIrd collateral digitals, both dorsal and plantar, abolished;…
To the right or south of these was the First Army, under General Sir Douglas Haig—the Indian Corps about Festubert, and then in order the Ist and IVth Corps—a total of nine divisions, or approximately 180,000 men, the two armies thus extending from north of Ypres to north of Arras, and mustering together some 440,000 men.
Etymology
From IV (Roman numeral representing four) + -th (ordinal suffix).
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.