levothyroxine
/ˌli.voʊ.θaɪˈɹɑkˌsin/noun
levothyroxine is spelled L-E-V-O-T-H-Y-R-O-X-I-N-E: 13 letters and 5 syllables. It appears about once in every 17 million words in written English, the 125,655th most frequent word form (wordfreq, 2021 data). As a noun, levothyroxine means “The levorotatory isomer of thyroxine (trademark Levothyroid, Levoxyl, Synthroid) that is administered in the form of its sodium salt C₁₅H₁₀I₄NNaO₄ in…” (English Wiktionary, September 2026).
How many letters and syllables are in levothyroxine?
| Letters | 13: L-E-V-O-T-H-Y-R-O-X-I-N-E |
|---|---|
| Syllables | 5 (from its pronunciation) |
| In writing | about once in every 17 million words; the 125,655th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is levothyroxine?
Levothyroxine appears about once in every 17 million words in written English, the 125,655th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce levothyroxine?
- US /ˌli.voʊ.θaɪˈɹɑkˌsin/
- US /ˌli.voʊ.θaɪˈɹɑk.sɪn/
Levothyroxine has 5 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-levothyroxine.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with levothyroxine?
3 words on PlainSpell end in the same sounds as levothyroxine from its last stressed vowel (/ɑksin/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of levothyroxine
- laevothyroxine UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does levothyroxine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The levorotatory isomer of thyroxine (trademark Levothyroid, Levoxyl, Synthroid) that is administered in the form of its sodium salt C₁₅H₁₀I₄NNaO₄ in the treatment of hypothyroidism.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Levothyroxine in Spanish, French, German and Portuguese
In the sense Translations:
| Language | Words |
|---|---|
| French | lévothyroxine |
| Spanish | levotiroxina |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.