speleology
noun
speleology is spelled S-P-E-L-E-O-L-O-G-Y: 10 letters. It appears about once in every 76 million words in written English, the 275,970th most frequent word form (wordfreq, 2021 data). As a noun, speleology means “The scientific study of caves” (English Wiktionary, September 2026). The plural of speleology is speleologies.
How many letters and syllables are in speleology?
| Letters | 10: S-P-E-L-E-O-L-O-G-Y |
|---|---|
| In writing | about once in every 76 million words; the 275,970th 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 speleology?
Speleology appears about once in every 76 million words in written English, the 275,970th 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 speleology?
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-speleology.wav, Wikimedia Commons (author and licence on each file's page).
Forms of speleology
- speleologies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does speleology mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The scientific study of caves.
- 2
The recreational activity of exploring caves.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Speleology in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | spéléologie |
| German | Speläologie, Speleologie, Höhlenforschung, Höhlenkunde |
| Portuguese | espeleologia |
| Spanish | espeleología , espeleísmo |
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 speleology come from?
From French spéléologie, coined by Émile Rivière in 1890. The word can be broken down as speleo- + -logy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).