Rogaine
"rogaine" is a 7-letter English headword indexed on PlainSpell.
The verdict
“Rogaine” is uncommon English (frequency #83,688 among 21,470 “R” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #83,688
- frequency rank, English
- 21,470
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A brand of hair product containing minoxidil for the treatment of male-pattern hair loss.
Corpus desk
Index EN-rogaine · Rogaine · English
Rogaine · rank #83,688 · 0 variants · 0 confusables
- FREQ-RARE #83,688
- LEN-LONG 7 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 21,470
- PHOTO-FINISH Rivoli
Nearest frequency peer: Rivoli (-1 rank slots)
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.
Frequency neighbourhood for “Rogaine”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- retread
retread
16,319 corpus weight
- Rhinelander
Rhinelander
16,317 corpus weight
- Rivoli
Rivoli
16,314 corpus weight
- Rogaine
Rogaine
16,313 corpus weight
- ROSCO
ROSCO
16,312 corpus weight
- Rothesay
Rothesay
16,310 corpus weight
What this shows Bars show where “Rogaine” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | Rogaine |
| Language | English |
| Part of speech | Proper noun |
| Letters | 7 |
| Frequency rank | #83,688 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Rogaine” sits in English frequency
Rare enough to double-check
Rogaine is uncommon English at frequency #83,688 among 21,470 “R” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A brand of hair product containing minoxidil for the treatment of male-pattern hair loss.".
No misspelling variants are generated for Rogaine in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is Rogaine, spelled R-O-G-A-I-N-E.
Definition
- 1A brand of hair product containing minoxidil for the treatment of male-pattern hair loss.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Rogaine", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).
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.