tuberous

/ˈt(j)uːbəɹəs/

//ˈt(j)uːbəɹəs// adj

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

"tuberous" is a 8-letter English headword indexed on PlainSpell.

The verdict

“tuberous” is uncommon English (frequency #76,416 among 3,151 “T” headwords), classed as an adjective. The kind of spelling people second-guess.

#76,416
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Relating to, resembling, or producing tubers.

Corpus desk

Index EN-tuberous · tuberous · English

tuberous · rank #76,416 · 0 variants · 0 confusables

  • FREQ-RARE #76,416
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH tubercle

Nearest frequency peer: tubercle (-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 “tuberous”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tuberous
PropertyValue
Headwordtuberous
LanguageEnglish
Part of speechAdjective
IPA/ˈt(j)uːbəɹəs/
Letters8
Frequency rank#76,416
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tuberous” 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).tuberousfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “tubercle” (#76,415), “turbot” (#76,417), “trou” (#76,411). Among 3,151 “T” headwords, “tuberous” is #76,416. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tuberous is uncommon English at frequency #76,416 among 3,151 “T” headwords, classed as anadjective, transcribed /ˈt(j)uːbəɹəs/. Rarity is why readers land here mid-draft. 2 senses are on record.

tuberous has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From tuber + -ous. The correct English form is tuberous, spelled T-U-B-E-R-O-U-S.

Definition

  1. 1
    Relating to, resembling, or producing tubers.
  2. 2
    Relating to tuberosities.

Recorded use

Wiktionary example

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

  1. Huge tits and a fissured crotch / Were scored well in, and the space / Between her legs held scrawls / That set her fairly astride / A tuberous cock and balls

Etymology

From tuber + -ous.

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 "tuberous"?
"tuberous" is spelled T-U-B-E-R-O-U-S. The IPA pronunciation is /ˈt(j)uːbəɹəs/.
What does "tuberous" mean?
As an adjective, "tuberous" means: Relating to, resembling, or producing tubers.
How do you pronounce "tuberous"?
The IPA (International Phonetic Alphabet) transcription for "tuberous" is /ˈt(j)uːbəɹəs/. 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 "tuberous"?
From tuber + -ous. 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 "tuberous", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

tubercle#76,415unfreeze#76,430Unsworth#76,434teamster#76,386

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

Source: FrequencyWords open word-frequency list