rill

/ɹɪl/

//ɹɪl// noun

"rill" is a 4-letter English headword indexed on PlainSpell.

The verdict

“rill” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A very small brook; a streamlet; a creek, rivulet.

Corpus desk

Index EN-rill · rill · English

rill · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

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.

Key facts for rill
PropertyValue
Headwordrill
LanguageEnglish
Part of speechNoun
IPA/ɹɪl/
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “rill” in English

rillsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

rill is uncommon English outside the top frequency list, classed as anoun, transcribed /ɹɪl/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for rill, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From or akin to West Frisian ril (“rill; a narrow channel”), Dutch ril (“rill; gully; trench; watercourse”), German Low German Rille, Rill (“a small channel; brook; furrow”), German Rille (“a groove; furrow”). The correct English form is rill, spelled R-I-L-L.

Definition

  1. 1
    A very small brook; a streamlet; a creek, rivulet.
  2. 2
    Alternative form of rille.

Recorded use

Wiktionary examples

These source excerpts show how rill appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. [N]or yet beside the rill / Nor up the lawn, nor at the wood was he
  2. So twice five miles of fertile ground / With walls and towers were girdled round: / And here were gardens bright with sinuous rills, / Where blossom'd many an incense-bearing tree; / And here were forests ancient as the hills, / And folding sunny spots of greenery.

Etymology

From or akin to West Frisian ril (“rill; a narrow channel”), Dutch ril (“rill; gully; trench; watercourse”), German Low German Rille, Rill (“a small channel; brook; furrow”), German Rille (“a groove; furrow”).

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

How do you spell "rill"?
"rill" is spelled R-I-L-L. The IPA pronunciation is /ɹɪl/.
What does "rill" mean?
As a noun, "rill" means: A very small brook; a streamlet; a creek, rivulet.
How do you pronounce "rill"?
The IPA (International Phonetic Alphabet) transcription for "rill" is /ɹɪl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "rill"?
From or akin to West Frisian ril (“rill; a narrow channel”), Dutch ril (“rill; gully; trench; watercourse”), German Low German Rille, Rill (“a small channel; brook; furrow”), German Rille (“a groove; furrow”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list