hyperplasia

/ˌhaɪ.pɚˈpleɪ.ʒə/

//ˌhaɪ.pɚˈpleɪ.ʒə// noun

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

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

The verdict

“hyperplasia” is uncommon English (frequency #53,611 among 23,837 “H” headwords), classed as a noun. The kind of spelling people second-guess.

#53,611
frequency rank, English
23,837
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An increase in the size of a tissue or organ due to increased number of cells.

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)

Where “hyperplasia” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). hyperplasia lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hyperplasia is uncommon English at frequency #53,611 among 23,837 “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.

Etymology

From hyper- + -plasia.

Synonyms

hypergenesis

This word in other languages

hyperplasie(Français)

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.

Using “hyperplasia”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is H-Y-P-E-R-P-L-A-S-I-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌhaɪ.pɚˈpleɪ.ʒə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list