poikilotherm
"poikilotherm" is a 12-letter English headword indexed on PlainSpell.
The verdict
“poikilotherm” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Cold-blooded.
| Property | Value |
|---|---|
| Headword | poikilotherm |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “poikilotherm” sits in English frequency
Rare enough to double-check
poikilotherm is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Cold-blooded.".
Our edit-distance generator produced no likely misspellings for poikilotherm, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From poikilo- + -therm. The correct English form is poikilotherm, spelled P-O-I-K-I-L-O-T-H-E-R-M.
Definition
- 1Cold-blooded.
Etymology
From poikilo- + -therm.
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “poikilotherm”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-O-I-K-I-L-O-T-H-E-R-M - 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.