extremum
/ɪkˈstɹiːməm/
"extremum" is a 8-letter English headword indexed on PlainSpell.
The verdict
“extremum” is uncommon English (outside the top frequency list), classed as a noun. 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) - A point, or value that is a maximum or a minimum.
Corpus desk
Index EN-extremum · extremum · English
extremum · 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 "E" 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 | extremum |
| Language | English |
| Part of speech | Noun |
| IPA | /ɪkˈstɹiːməm/ |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “extremum” in English
Rare enough to double-check
extremum is uncommon English outside the top frequency list, classed as anoun, transcribed /ɪkˈstɹiːməm/. Rarity is why readers land here mid-draft. Gloss: "A point, or value that is a maximum or a minimum.".
extremum doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Learned borrowing from Latin extrēmum, neuter form of extrēmus (“extreme in degree”). Doublet of extreme. The correct English form is extremum, spelled E-X-T-R-E-M-U-M.
Definition
- 1A point, or value that is a maximum or a minimum.
Etymology
Learned borrowing from Latin extrēmum, neuter form of extrēmus (“extreme in degree”). Doublet of extreme.
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.