endometrium
/ˌɛndəˈmiːtɹi.əm/
"endometrium" is a 11-letter English headword indexed on PlainSpell.
The verdict
“endometrium” is uncommon English (frequency #80,424 among 18,836 “E” headwords), classed as a noun. The kind of spelling people second-guess.
- #80,424
- frequency rank, English
- 18,836
- “E” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted.
| Property | Value |
|---|---|
| Headword | endometrium |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌɛndəˈmiːtɹi.əm/ |
| Letters | 11 |
| Frequency rank | #80,424 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “endometrium” sits in English frequency
Rare enough to double-check
endometrium is uncommon English at frequency #80,424 among 18,836 “E” headwords, classed as anoun, transcribed /ˌɛndəˈmiːtɹi.əm/. Rarity is why readers land here mid-draft. Gloss: "The mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted.".
We couldn't generate a plausible misspelling set for endometrium, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From endo- (“inner”) + Late Latin metrium (“womb”), from Ancient Greek μήτριον (mḗtrion, “of a mother”). Compare μήτρᾱ (mḗtrā, “womb”). The correct English form is endometrium, spelled E-N-D-O-M-E-T-R-I-U-M.
Definition
- 1The mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted.
Etymology
From endo- (“inner”) + Late Latin metrium (“womb”), from Ancient Greek μήτριον (mḗtrion, “of a mother”). Compare μήτρᾱ (mḗtrā, “womb”).
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 “endometrium”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is E-N-D-O-M-E-T-R-I-U-M - every other letter order is a misspelling in standard orthography.
- Say it as /ˌɛndəˈmiːtɹi.əm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.