tephra

/ˈtɛ.fɹə/

//ˈtɛ.fɹə// noun

"tephra" is a 6-letter English headword indexed on PlainSpell.

The verdict

“tephra” is uncommon English (frequency #97,621 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#97,621
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas.

Corpus desk

Index EN-tephra · tephra · English

tephra · rank #97,621 · 0 variants · 0 confusables

  • FREQ-RARE #97,621
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH Tenochtitlan

Nearest frequency peer: Tenochtitlan (-1 rank slots)

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.

Long-tail ranks near “tephra”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “tephra” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tephra
PropertyValue
Headwordtephra
LanguageEnglish
Part of speechNoun
IPA/ˈtɛ.fɹə/
Letters6
Frequency rank#97,621
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tephra” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).tephrafalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Tenochtitlan” (#97,620), “tendentious” (#97,619), “taxpaying” (#97,616). Among 3,151 “T” headwords, “tephra” is #97,621. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tephra is uncommon English at frequency #97,621 among 3,151 “T” headwords, classed as anoun, transcribed /ˈtɛ.fɹə/. Rarity is why readers land here mid-draft. Gloss: "The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas.".

Our edit-distance generator produced no likely misspellings for tephra, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From the Ancient Greek τέφρα (téphra, “ash”). The correct English form is tephra, spelled T-E-P-H-R-A.

Definition

  1. 1
    The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas.

Recorded use

Wiktionary examples

These source excerpts show how tephra appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The sky would have darkened with sheer volume of ash, the grapes would have withered upon the vine; misfortune would have fallen with the inexorability of volcanic tephra upon rich and poor alike.
  2. Over a five-year research period, RESET is correlating tephras from their volcanic sources to where they fell in deep ocean and lake sediments, and even further into important archaeological sites in Europe, western Asia and North Africa.

Etymology

From the Ancient Greek τέφρα (téphra, “ash”).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "tephra"?
"tephra" is spelled T-E-P-H-R-A. The IPA pronunciation is /ˈtɛ.fɹə/.
What does "tephra" mean?
As a noun, "tephra" means: The solid material thrown into the air by a volcanic eruption that settles on the surrounding areas.
How do you pronounce "tephra"?
The IPA (International Phonetic Alphabet) transcription for "tephra" is /ˈtɛ.fɹə/. 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 "tephra"?
From the Ancient Greek τέφρα (téphra, “ash”). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "tephra", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list