hyperplasia

/ˌhaɪ.pɚˈpleɪ.ʒə/

//ˌhaɪ.pɚˈpleɪ.ʒə// noun

"hyperplasia" is a 11-letter English headword indexed on PlainSpell.

The verdict

“hyperplasia” is uncommon English (frequency #53,611 among 2,646 “H” headwords), classed as a noun. The kind of spelling people second-guess.

#53,611
frequency rank, English
2,646
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An increase in the size of a tissue or organ due to increased number of cells.

Corpus desk

Index EN-hyperplasia · hyperplasia · English

hyperplasia · rank #53,611 · 0 variants · 0 confusables

  • FREQ-RARE #53,611
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH hypertensive

Nearest frequency peer: hypertensive (+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 “hyperplasia”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for hyperplasia
PropertyValue
Headwordhyperplasia
LanguageEnglish
Part of speechNoun
IPA/ˌhaɪ.pɚˈpleɪ.ʒə/
Letters11
Frequency rank#53,611
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hyperplasia” 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).hyperplasiafalls 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: “hypertensive” (#53,612), “Humvee” (#53,609), “hugger” (#53,608). Among 2,646 “H” headwords, “hyperplasia” is #53,611. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hyperplasia is uncommon English at frequency #53,611 among 2,646 “H” headwords, classed as anoun, transcribed /ˌhaɪ.pɚˈpleɪ.ʒə/. Rarity is why readers land here mid-draft. Gloss: "An increase in the size of a tissue or organ due to increased number of cells.".

We couldn't generate a plausible misspelling set for hyperplasia, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From hyper- + -plasia. The correct English form is hyperplasia, spelled H-Y-P-E-R-P-L-A-S-I-A.

Definition

  1. 1
    An increase in the size of a tissue or organ due to increased number of cells.

Recorded use

Wiktionary example

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

  1. But we can no longer regard the mere fact of these diffuse condensations of the lung becoming yellow and caseous as an evidence of their tuberculous nature, especially since the pathological anatomists, and among them Virchow, have shown that formations of the most different kind, having not the slightest connection with tubercule— as, for example, old ca…

Etymology

From hyper- + -plasia.

Synonyms

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); 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 "hyperplasia"?
"hyperplasia" is spelled H-Y-P-E-R-P-L-A-S-I-A. The IPA pronunciation is /ˌhaɪ.pɚˈpleɪ.ʒə/.
What does "hyperplasia" mean?
As a noun, "hyperplasia" means: An increase in the size of a tissue or organ due to increased number of cells.
How do you pronounce "hyperplasia"?
The IPA (International Phonetic Alphabet) transcription for "hyperplasia" is /ˌhaɪ.pɚˈpleɪ.ʒə/. 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 "hyperplasia"?
From hyper- + -plasia. 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 "hyperplasia", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list