prednisone
/ˈpɹɛd.nɪ.zəʊn/
"prednisone" is a 10-letter English headword indexed on PlainSpell.
The verdict
“prednisone” has 15 generated spelling variants in the English index at frequency #49,566. The variants make it a useful spelling check.
- #49,566
- frequency rank, English
- 46,516
- “P” headwords
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A glucocorticoid C₂₁H₂₆O₅ that is a dehydrogenated analog of cortisone, used to relieve rheumatic and allergic conditions and to treat leukemia.
| Property | Value |
|---|---|
| Headword | prednisone |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈpɹɛd.nɪ.zəʊn/ |
| Letters | 10 |
| Frequency rank | #49,566 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “prednisone” sits in English frequency
A misspelling magnet
The generator records 15 spelling variants around prednisone (IPA /ˈpɹɛd.nɪ.zəʊn/), anoun. Corpus frequency is #49,566 among 46,516 “P” headwords. Dominant gloss: "A glucocorticoid C₂₁H₂₆O₅ that is a dehydrogenated analog of cortisone, used to relieve rheumatic and allergic conditions and to treat leukemia.".
Our generated misspelling index lists 15 likely wrong-spelling variants for prednisone, with forms such as "perdnisone", "pprednisone", and "prdenisone". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From pre(gnane) + d(ie)ne + (cort)isone. The correct English form is prednisone, spelled P-R-E-D-N-I-S-O-N-E.
Definition
- 1A glucocorticoid C₂₁H₂₆O₅ that is a dehydrogenated analog of cortisone, used to relieve rheumatic and allergic conditions and to treat leukemia.
Etymology
From pre(gnane) + d(ie)ne + (cort)isone.
Common misspellings
Also misspelled as:
- perdnisone
- pprednisone
- prdenisone
- preddnisone
- predinsone
- predniosne
- prednisnoe
- prednisoen
- prednisonne
- prednissone
- prednnisone
- prednsione
- prendisone
- prrednisone
- rpednisone
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of prednisone - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "prednisone"?
What does "prednisone" mean?
What are common misspellings of "prednisone"?
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Is PlainSpell free to use?
Using “prednisone”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-R-E-D-N-I-S-O-N-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈpɹɛd.nɪ.zəʊn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Same frequency band
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.