dimorphism

/daɪˈmɔːfɪzəm/

//daɪˈmɔːfɪzəm// noun

"dimorphism" is a 10-letter English headword indexed on PlainSpell.

The verdict

“dimorphism” is uncommon English (frequency #63,565 among 3,470 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#63,565
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The occurrence within a plant of two distinct forms of any part.

Corpus desk

Index EN-dimorphism · dimorphism · English

dimorphism · rank #63,565 · 0 variants · 0 confusables

  • FREQ-RARE #63,565
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH disadvantageo…

Nearest frequency peer: disadvantageous (+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 “dimorphism”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for dimorphism
PropertyValue
Headworddimorphism
LanguageEnglish
Part of speechNoun
IPA/daɪˈmɔːfɪzəm/
Letters10
Frequency rank#63,565
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “dimorphism” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).dimorphismfalls 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: “disadvantageous” (#63,566), “dignify” (#63,563), “disharmony” (#63,567). Among 3,470 “D” headwords, “dimorphism” is #63,565. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

dimorphism is uncommon English at frequency #63,565 among 3,470 “D” headwords, classed as anoun, transcribed /daɪˈmɔːfɪzəm/. Rarity is why readers land here mid-draft. 3 senses are on record.

Our edit-distance generator produced no likely misspellings for dimorphism, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From di- + -morphism. The correct English form is dimorphism, spelled D-I-M-O-R-P-H-I-S-M.

Definition

  1. 1
    The occurrence within a plant of two distinct forms of any part.
  2. 2
    The occurrence in an animal species of two distinct types of individual.
  3. 3
    A property of certain substances that enables them to exist in two distinct crystalline forms.

Recorded use

Wiktionary example

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

  1. This is also done for Dizygopleura landesi Roth and Eukloedenella pontotocensis Lundin, new species, which illustrate domiciliar (kloedenellid) dimorphism.

Etymology

From di- + -morphism.

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 "dimorphism"?
"dimorphism" is spelled D-I-M-O-R-P-H-I-S-M. The IPA pronunciation is /daɪˈmɔːfɪzəm/.
What does "dimorphism" mean?
As a noun, "dimorphism" means: The occurrence within a plant of two distinct forms of any part.
How do you pronounce "dimorphism"?
The IPA (International Phonetic Alphabet) transcription for "dimorphism" is /daɪˈmɔːfɪzəm/. 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 "dimorphism"?
From di- + -morphism. 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 "dimorphism", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list