teratology
noun
teratology is spelled T-E-R-A-T-O-L-O-G-Y: 10 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, teratology means “The study of congenital malformations, their development, and people with them” (English Wiktionary, September 2026). The plural of teratology is teratologies.
How many letters and syllables are in teratology?
| Letters | 10: T-E-R-A-T-O-L-O-G-Y |
|---|---|
| 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 teratology?
Teratology 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).
How do you pronounce teratology?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-teratology.wav, Wikimedia Commons (author and licence on each file's page).
Forms of teratology
- teratologies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does teratology mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The study of congenital malformations, their development, and people with them.
- 2
The study of the mechanisms, teratogenic agents, or teratogens, in bringing about malformations.
- 3
The study or cataloging of monsters.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Teratology in Spanish, French, German and Portuguese
In the sense (medicine) study of congenital malformations:
| Language | Words |
|---|---|
| French | tératologie |
| German | Teratologie |
| Portuguese | teratologia |
| Spanish | teratología |
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 teratology come from?
From terato- + -logy, from Ancient Greek τέρας (téras, “monster”) + -λογία (-logía, “study of”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).