trifolium

noun

"trifolium" is a 9-letter English headword indexed on PlainSpell.

The verdict

“trifolium” is uncommon English (frequency #98,819 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#98,819
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of the genus Trifolium of clovers and trefoils.

Corpus desk

Index EN-trifolium · trifolium · English

trifolium · rank #98,819 · 0 variants · 0 confusables

  • FREQ-RARE #98,819
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH trion

Nearest frequency peer: trion (+2 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 “trifolium”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “trifolium” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for trifolium
PropertyValue
Headwordtrifolium
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#98,819
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “trifolium” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).trifoliumfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “trion” (#98,821), “Trappe” (#98,816), “troppo” (#98,823). Among 3,151 “T” headwords, “trifolium” is #98,819. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

trifolium is uncommon English at frequency #98,819 among 3,151 “T” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of the genus Trifolium of clovers and trefoils.".

Zero misspellings are on record for trifolium in our index, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From the genus name. The correct English form is trifolium, spelled T-R-I-F-O-L-I-U-M.

Definition

  1. 1
    Any of the genus Trifolium of clovers and trefoils.

Recorded use

Wiktionary examples

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

  1. The larger species (Panax quinquefolium) is rather coarse and ordinary in its appearance; the flowers are very nearly like those of the trifolia, but grow in an irregular and elongated cluster.
  2. The majority of the trifoliums are native to Europe and Asia. Only comparatively few of the trifoliums native to the United States are of food production significance.

Etymology

From the genus name.

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

How do you spell "trifolium"?
"trifolium" is spelled T-R-I-F-O-L-I-U-M.
What does "trifolium" mean?
As a noun, "trifolium" means: Any of the genus Trifolium of clovers and trefoils.
What is the origin of the word "trifolium"?
From the genus name. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "trifolium", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list