trub

noun

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

The verdict

“trub” 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) - The layer of sediment that appears at the bottom of the fermenter after yeast has completed the bulk of the fermentation.

Corpus desk

Index EN-trub · trub · English

trub · 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 "T" 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 trub
PropertyValue
Headwordtrub
LanguageEnglish
Part of speechNoun
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “trub” in English

trubsits 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

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

The misspelling generator found no plausible variants for trub, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Borrowed from German trüb, from Old High German truobi, from Proto-Germanic *drōbuz (English droff (“turbid, sorrowful, sad”)), cognate with Dutch droef (“sad, miserable”). The correct English form is trub, spelled T-R-U-B.

Definition

  1. 1
    The layer of sediment that appears at the bottom of the fermenter after yeast has completed the bulk of the fermentation.
  2. 2
    A truffle

Etymology

Borrowed from German trüb, from Old High German truobi, from Proto-Germanic *drōbuz (English droff (“turbid, sorrowful, sad”)), cognate with Dutch droef (“sad, miserable”).

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 "trub"?
"trub" is spelled T-R-U-B.
What does "trub" mean?
As a noun, "trub" means: The layer of sediment that appears at the bottom of the fermenter after yeast has completed the bulk of the fermentation.
What is the origin of the word "trub"?
Borrowed from German trüb, from Old High German truobi, from Proto-Germanic *drōbuz (English droff (“turbid, sorrowful, sad”)), cognate with Dutch droef (“sad, miserable”). 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