monotherapy
"monotherapy" is a 11-letter English headword indexed on PlainSpell.
The verdict
“monotherapy” is uncommon English (frequency #77,935 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #77,935
- frequency rank, English
- 36,575
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A therapy which is administered by itself
Corpus desk
Index EN-monotherapy · monotherapy · English
monotherapy · rank #77,935 · 0 variants · 0 confusables
- FREQ-RARE #77,935
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 36,575
- PHOTO-FINISH mony
Nearest frequency peer: mony (+2 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 “monotherapy”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- misrule
misrule
22,072 corpus weight
- MMG
MMG
22,071 corpus weight
- monotherapy
monotherapy
22,066 corpus weight
- mony
mony
22,064 corpus weight
- Morrisville
Morrisville
22,063 corpus weight
- MOTD
MOTD
22,061 corpus weight
What this shows Bars show where “monotherapy” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | monotherapy |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #77,935 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “monotherapy” sits in English frequency
Rare enough to double-check
monotherapy is uncommon English at frequency #77,935 among 36,575 “M” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A therapy which is administered by itself".
monotherapy has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From mono- + therapy. The correct English form is monotherapy, spelled M-O-N-O-T-H-E-R-A-P-Y.
Definition
- 1A therapy which is administered by itself
Etymology
From mono- + therapy.
Synonyms
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); 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 "monotherapy", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 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.