Prozac
"prozac" is a 6-letter English headword indexed on PlainSpell.
The verdict
“Prozac” is a moderately-common English word, ranked #40,853 in English word frequency and used as a proper noun.
- #40,853
- frequency rank, English
- 6
- letters
- 9
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A trade name for the drug fluoxetine.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | Prozac |
| Language | English |
| Part of speech | Proper noun |
| Letters | 6 |
| Frequency rank | #40,853 |
| Misspellings tracked | 9 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “Prozac” sits in English frequency
Spelling & Dictionary Insight
The English entry for Prozac is 6 letters long, classified as a proper noun. Corpus data places it at rank #40,853 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A trade name for the drug fluoxetine.".
Our generated misspelling index lists 9 likely wrong-spelling variants for Prozac, with forms such as "porzac", "pprozac", and "proazc". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "proc", "prosaic", where similar look or sound leads writers to substitute one word for another in context.
No borrowing history is documented 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 Prozac, spelled P-R-O-Z-A-C.
Definition
- 1A trade name for the drug fluoxetine.
Common misspellings
Also misspelled as: porzac,pprozac,proazc,prozacc,prozca,prozzac,prrozac,przoac,rpozac
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of Prozac - 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
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Using “Prozac”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-R-O-Z-A-C - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “proc” - see the side-by-side comparison. Prozac vs proc
- Browse more English words and confusable pairs in the same reference. English words
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.