eider
/ˈaɪdə/
"eider" is a 5-letter English headword indexed on PlainSpell.
The verdict
“eider” is uncommon English (frequency #83,212 among 2,246 “E” headwords), classed as a noun. The kind of spelling people second-guess.
- #83,212
- frequency rank, English
- 2,246
- “E” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).
Corpus desk
Index EN-eider · eider · English
eider · rank #83,212 · 0 variants · 0 confusables
- FREQ-RARE #83,212
- LEN-MID 5 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,246
- PHOTO-FINISH ejecta
Nearest frequency peer: ejecta (+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 “eider”
Sparse band: bars invert rank so rarer forms read shorter
- dyne
dyne
16,794 corpus weight
- eave
eave
16,792 corpus weight
- Edberg
Edberg
16,791 corpus weight
- eider
eider
16,789 corpus weight
- ejecta
ejecta
16,788 corpus weight
- electrophys…
electrophysiological
16,787 corpus weight
What this shows Long-tail view: where “eider” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | eider |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈaɪdə/ |
| Letters | 5 |
| Frequency rank | #83,212 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “eider” in English
Rare enough to double-check
eider is uncommon English at frequency #83,212 among 2,246 “E” headwords, classed as anoun, transcribed /ˈaɪdə/. Rarity is why readers land here mid-draft. Gloss: "Any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).".
Zero misspellings are on record for eider in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From Icelandic æðar, genitive of æðr, probably reaching English via Swedish eider (now ejder), from a North Germanic root. The correct English form is eider, spelled E-I-D-E-R.
Definition
- 1Any of the species of Somateria spp. and Polysticta stelleri or of the seaduck subfamily Merginae, which line their nests with fine down (taken from their own bodies).
Etymology
From Icelandic æðar, genitive of æðr, probably reaching English via Swedish eider (now ejder), from a North Germanic root.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "eider", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).