agnatha

/ˈæɡ.nə.θə/

//ˈæɡ.nə.θə// noun

"agnatha" is a 7-letter English headword indexed on PlainSpell.

The verdict

“agnatha” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An agnathan.

Corpus desk

Index EN-agnatha · agnatha · English

agnatha · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for agnatha
PropertyValue
Headwordagnatha
LanguageEnglish
Part of speechNoun
IPA/ˈæɡ.nə.θə/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “agnatha” in English

agnathasits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

agnatha is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈæɡ.nə.θə/. Rarity is why readers land here mid-draft. Gloss: "An agnathan.".

Our edit-distance generator produced no likely misspellings for agnatha, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”). The correct English form is agnatha, spelled A-G-N-A-T-H-A.

Definition

  1. 1
    An agnathan.

Etymology

From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "agnatha"?
"agnatha" is spelled A-G-N-A-T-H-A. The IPA pronunciation is /ˈæɡ.nə.θə/.
What does "agnatha" mean?
As a noun, "agnatha" means: An agnathan.
How do you pronounce "agnatha"?
The IPA (International Phonetic Alphabet) transcription for "agnatha" is /ˈæɡ.nə.θə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "agnatha"?
From Agnatha, from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list