triplex

adj

By · According to Wiktionary data (CC BY-SA) ·

"triplex" is a 7-letter English headword indexed on PlainSpell.

The verdict

“triplex” is uncommon English (frequency #74,598 among 3,151 “T” headwords), classed as an adjective. The kind of spelling people second-guess.

#74,598
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having three parts; triple or threefold.

Corpus desk

Index EN-triplex · triplex · English

triplex · rank #74,598 · 0 variants · 0 confusables

  • FREQ-RARE #74,598
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH trompe

Nearest frequency peer: trompe (+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 “triplex”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for triplex
PropertyValue
Headwordtriplex
LanguageEnglish
Part of speechAdjective
Letters7
Frequency rank#74,598
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “triplex” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).triplexfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “trompe” (#74,600), “transshipment” (#74,594), “Trumper” (#74,603). Among 3,151 “T” headwords, “triplex” is #74,598. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

triplex is uncommon English at frequency #74,598 among 3,151 “T” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

triplex doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Latin triplex. Analyzable as tri- + -plex. The correct English form is triplex, spelled T-R-I-P-L-E-X.

Definition

  1. 1
    Having three parts; triple or threefold.
  2. 2
    Having three parts; triple or threefold.

Etymology

From Latin triplex. Analyzable as tri- + -plex.

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 "triplex"?
"triplex" is spelled T-R-I-P-L-E-X.
What does "triplex" mean?
As an adjective, "triplex" means: Having three parts; triple or threefold.
What is the origin of the word "triplex"?
From Latin triplex. Analyzable as tri- + -plex. 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 "triplex", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Trumper#74,603tuneful#74,605typeset#74,609taproom#74,561

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

Source: FrequencyWords open word-frequency list