spirifer
noun
spirifer is spelled S-P-I-R-I-F-E-R: 8 letters. It appears about once in every 42 million words in written English, the 199,120th most frequent word form (wordfreq, 2021 data). As a noun, spirifer means “Any of numerous species of fossil brachiopods of the genera †Spirifer and †Delthyris and allied genera in order †Spiriferida, in which the long…” (English Wiktionary, September 2026). The plural of spirifer is spirifers.
How many letters and syllables are in spirifer?
| Letters | 8: S-P-I-R-I-F-E-R |
|---|---|
| In writing | about once in every 42 million words; the 199,120th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is spirifer?
Spirifer appears about once in every 42 million words in written English, the 199,120th 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).
Forms of spirifer
- spirifers plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does spirifer mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of numerous species of fossil brachiopods of the genera †Spirifer and †Delthyris and allied genera in order †Spiriferida, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does spirifer come from?
From Latin spira (“a coil”) + fero (“to bear”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).