spiro
/ˈspɪɹoʊ/noun
spiro is spelled S-P-I-R-O: 5 letters and 2 syllables. It appears about once in every 2 million words in written English, the 40,703rd most frequent word form (wordfreq, 2021 data). As a noun, spiro means “A polycyclic compound or system that contains a single atom as the only common member of two rings” (English Wiktionary, September 2026).
How many letters and syllables are in spiro?
| Letters | 5: S-P-I-R-O |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 40,703rd 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 and the CMU Pronouncing Dictionary; 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 spiro?
Spiro appears about once in every 2 million words in written English, the 40,703rd 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 spiro?
- UK /ˈspɪɹəʊ/
- US /ˈspɪɹoʊ/
Spiro has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-au-spiro.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with spiro?
2 words on PlainSpell end in the same sounds as spiro from its last stressed vowel (/ɪɹoʊ/):
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).
What does spiro mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A polycyclic compound or system that contains a single atom as the only common member of two rings.
- 2
Clipping of spironolactone.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Spiro in Spanish, French, German and Portuguese
In the sense spironolactone:
| Language | Words |
|---|---|
| French | spiro |
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.
Where does spiro come from?
Ultimately from Latin spīra (“coil, twist”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).