doxycycline
/ˌdɒk.sɪˈsʌɪ.kliːn/
"doxycycline" is a 11-letter English headword indexed on PlainSpell.
The verdict
“doxycycline” is an uncommon English word, ranked #70,614 in English word frequency and used as a noun.
- #70,614
- frequency rank, English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A broad-spectrum antibiotic C₂₂H₂₄N₂O₈ of the tetracycline class, which has a long half-life in the body and used orally to treat various bacterial infections.
| Property | Value |
|---|---|
| Headword | doxycycline |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌdɒk.sɪˈsʌɪ.kliːn/ |
| Letters | 11 |
| Frequency rank | #70,614 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “doxycycline” sits in English frequency
Spelling & Dictionary Insight
The English entry for doxycycline is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌdɒk.sɪˈsʌɪ.kliːn/. Corpus data places it at rank #70,614 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A broad-spectrum antibiotic C₂₂H₂₄N₂O₈ of the tetracycline class, which has a long half-life in the body and used orally to treat various bacterial infections.".
doxycycline doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Blend of d(e)oxy- + oxy(tetra)cycline. The correct English form is doxycycline, spelled D-O-X-Y-C-Y-C-L-I-N-E.
Definition
- 1A broad-spectrum antibiotic C₂₂H₂₄N₂O₈ of the tetracycline class, which has a long half-life in the body and used orally to treat various bacterial infections.
Etymology
Blend of d(e)oxy- + oxy(tetra)cycline.
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 “doxycycline”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-O-X-Y-C-Y-C-L-I-N-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˌdɒk.sɪˈsʌɪ.kliːn/ (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
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.