interglacial
"interglacial" is a 12-letter English headword indexed on PlainSpell.
The verdict
“interglacial” is an uncommon English word, ranked #83,375 in English word frequency and used as an adjective.
- #83,375
- frequency rank, English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Occurring between glaciations (colloquially known as ice ages).
| Property | Value |
|---|---|
| Headword | interglacial |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Frequency rank | #83,375 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “interglacial” sits in English frequency
Spelling & Dictionary Insight
The English entry for interglacial is 12 letters long, classified as an adjective. Corpus data places it at rank #83,375 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Occurring between glaciations (colloquially known as ice ages).".
No generated misspelling entries exist for interglacial in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From inter- + glacial. The correct English form is interglacial, spelled I-N-T-E-R-G-L-A-C-I-A-L.
Definition
- 1Occurring between glaciations (colloquially known as ice ages).
Etymology
From inter- + glacial.
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
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Using “interglacial”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-T-E-R-G-L-A-C-I-A-L - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.