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sphenodon

noun

sphenodon is a noun meaning “The tuatara” (English Wiktionary, September 2026). It is spelled S-P-H-E-N-O-D-O-N, and it appears about once in every 98 million words in written English (wordfreq, 2021 data). The plural of sphenodon is sphenodons.

What does sphenodon mean?

noun

  1. 1

    The tuatara.

  2. 2

    Any of the other extinct reptiles of the Sphenodontidae family.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of sphenodon

  • sphenodons plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is sphenodon?

Sphenodon appears about once in every 98 million words in written English, the 317,168th 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).

Where does sphenodon come from?

From the genus name Sphenodon.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).