isomorphic

/ˌaɪ.səˈmɔː.fɪk/

//ˌaɪ.səˈmɔː.fɪk// adj

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

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

The verdict

“isomorphic” is uncommon English (frequency #54,263 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#54,263
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Related by an isomorphism; having a structure-preserving one-to-one correspondence.

Corpus desk

Index EN-isomorphic · isomorphic · English

isomorphic · rank #54,263 · 0 variants · 0 confusables

  • FREQ-RARE #54,263
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH Isolde

Nearest frequency peer: Isolde (-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 “isomorphic”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for isomorphic
PropertyValue
Headwordisomorphic
LanguageEnglish
Part of speechAdjective
IPA/ˌaɪ.səˈmɔː.fɪk/
Letters10
Frequency rank#54,263
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “isomorphic” 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).isomorphicfalls 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: “Isolde” (#54,262), “isopropyl” (#54,264), “ipos” (#54,260). Among 2,140 “I” headwords, “isomorphic” is #54,263. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

isomorphic is uncommon English at frequency #54,263 among 2,140 “I” headwords, classed as anadjective, transcribed /ˌaɪ.səˈmɔː.fɪk/. Rarity is why readers land here mid-draft. 4 senses are on record.

Zero misspellings are on record for isomorphic in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From iso- + -morphic. The correct English form is isomorphic, spelled I-S-O-M-O-R-P-H-I-C.

Definition

  1. 1
    Related by an isomorphism; having a structure-preserving one-to-one correspondence.
  2. 2
    Having a similar structure or function to something that is not related genetically or through evolution.
  3. 3
    Having identical relevant structure; being structure-preserving while undergoing certain invertible transformations.
  4. 4
    Able to run either client-side or server-side.

Recorded use

Wiktionary examples

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

  1. Let A, B be the ordered sets in Figure 10.3. Let C be the direct product of infinitely many copies of the two element chain 2. Then A^C is isomorphic to B^C, but A is not isomorphic to B.
  2. The fact that different structures can be shown to be functionally isomorphic implies that they are analogous, not homologous.

Etymology

From iso- + -morphic.

Antonyms

anisomorphicnonisomorphic

This word in other languages

isomorphe(Français)isomorph(Deutsch)isomorfo(Português)

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 "isomorphic"?
"isomorphic" is spelled I-S-O-M-O-R-P-H-I-C. The IPA pronunciation is /ˌaɪ.səˈmɔː.fɪk/.
What does "isomorphic" mean?
As an adjective, "isomorphic" means: Related by an isomorphism; having a structure-preserving one-to-one correspondence.
How do you pronounce "isomorphic"?
The IPA (International Phonetic Alphabet) transcription for "isomorphic" is /ˌaɪ.səˈmɔː.fɪk/. 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 "isomorphic"?
From iso- + -morphic. 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 "isomorphic", not the corpus desk frequency band.

Same letter count

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

hypodermic#54,243headhunter#54,226lymphocyte#54,318feathering#54,174

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

Source: FrequencyWords open word-frequency list