per diem
/pɚˈdi.əm/
"per-diem" is a 7-letter English headword indexed on PlainSpell.
The verdict
“per diem” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Per day; daily.
Corpus desk
Index EN-per-diem · per diem · English
per diem · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" 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 | per diem |
| Language | English |
| Part of speech | Adjective |
| IPA | /pɚˈdi.əm/ |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “per diem” in English
Rare enough to double-check
per diem is uncommon English outside the top frequency list, classed as anadjective, transcribed /pɚˈdi.əm/. Rarity is why readers land here mid-draft. Gloss: "Per day; daily.".
No misspelling variants are generated for per diem 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, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Latin per + diem (“day”). The correct English form is per diem, spelled P-E-R- -D-I-E-M.
Definition
- 1Per day; daily.
Etymology
From Latin per + diem (“day”).
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.