rumen
/ˈɹu.mən/
"rumen" is a 5-letter English headword indexed on PlainSpell.
The verdict
“rumen” is uncommon English (frequency #67,003 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.
- #67,003
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The first compartment of the stomach of a cow or other ruminants.
Corpus desk
Index EN-rumen · rumen · English
rumen · rank #67,003 · 0 variants · 0 confusables
- FREQ-RARE #67,003
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH RSM
Nearest frequency peer: RSM (-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 “rumen”
Sparse band: bars invert rank so rarer forms read shorter
- roshi
roshi
33,001 corpus weight
- RPF
RPF
33,000 corpus weight
- RSM
RSM
32,999 corpus weight
- rumen
rumen
32,998 corpus weight
- Ruthven
Ruthven
32,995 corpus weight
- saco
saco
32,994 corpus weight
What this shows Long-tail view: where “rumen” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | rumen |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɹu.mən/ |
| Letters | 5 |
| Frequency rank | #67,003 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rumen” in English
Rare enough to double-check
rumen is uncommon English at frequency #67,003 among 3,094 “R” headwords, classed as anoun, transcribed /ˈɹu.mən/. Rarity is why readers land here mid-draft. Gloss: "The first compartment of the stomach of a cow or other ruminants.".
rumen doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: Borrowed from Latin rūmen. The correct English form is rumen, spelled R-U-M-E-N.
Definition
- 1The first compartment of the stomach of a cow or other ruminants.
Recorded use
Wiktionary exampleThese source excerpts show how rumen appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
In the newborn ruminant the abomasum is about as large as the rumen and remains relatively large as long as only milk is consumed (Brugnone, 1809). As the young ruminant consumes forages, the reticulum, and particularly the rumen, develop rapidly.
Etymology
Borrowed from Latin rūmen.
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 "rumen", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).