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 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#54,263
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Related by an isomorphism; having a structure-preserving one-to-one correspondence.

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)

Where “isomorphic” 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). isomorphic 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

isomorphic is uncommon English at frequency #54,263 among 17,902 “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.

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.

Using “isomorphic”

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

  • The one correct English spelling is I-S-O-M-O-R-P-H-I-C - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌaɪ.səˈmɔː.fɪk/ (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