synonymy

/sɪˈnɒnəmi/

//sɪˈnɒnəmi// noun

"synonymy" is a 8-letter English headword indexed on PlainSpell.

The verdict

“synonymy” is an uncommon English word, ranked #67,875 in English word frequency and used as a noun.

#67,875
frequency rank, English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A certain degree of similarity between the meaning(s) of several (synonymous) words or phrases. (See Usage notes below.)

Key facts for synonymy
PropertyValue
Headwordsynonymy
LanguageEnglish
Part of speechNoun
IPA/sɪˈnɒnəmi/
Letters8
Frequency rank#67,875
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “synonymy” 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). synonymy lands here:

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

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

Spelling & Dictionary Insight

The English entry for synonymy is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /sɪˈnɒnəmi/. Corpus data places it at rank #67,875 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for synonymy, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From French synonymie and its etymon Late Latin synōnymia, from Ancient Greek συνωνυμία (sunōnumía), from συνώνυμος (sunṓnumos, “of like name”) + -ία (-ía, abstract noun suffix). By surface analysis, synonym + -y or syn- + -onymy. Doublet of synonymia. The correct English form is synonymy, spelled S-Y-N-O-N-Y-M-Y.

Definition

  1. 1
    A certain degree of similarity between the meaning(s) of several (synonymous) words or phrases. (See Usage notes below.)
  2. 2
    A list or collection of synonyms, often compared and contrasted.
  3. 3
    The use of synonyms to clarify or explain one's meaning.
  4. 4
    The study of synonyms.
  5. 5
    A system of synonyms.
  6. 6
    The state of not being the name to be used, of being a synonym.
  7. 7
    A group or list of synonyms.

Etymology

From French synonymie and its etymon Late Latin synōnymia, from Ancient Greek συνωνυμία (sunōnumía), from συνώνυμος (sunṓnumos, “of like name”) + -ία (-ía, abstract noun suffix). By surface analysis, synonym + -y or syn- + -onymy. Doublet of synonymia.

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 "synonymy"?
"synonymy" is spelled S-Y-N-O-N-Y-M-Y. The IPA pronunciation is /sɪˈnɒnəmi/.
What does "synonymy" mean?
As a noun, "synonymy" means: A certain degree of similarity between the meaning(s) of several (synonymous) words or phrases. (See Usage notes below.)
How do you pronounce "synonymy"?
The IPA (International Phonetic Alphabet) transcription for "synonymy" is /sɪˈnɒnəmi/. 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 "synonymy"?
From French synonymie and its etymon Late Latin synōnymia, from Ancient Greek συνωνυμία (sunōnumía), from συνώνυμος (sunṓnumos, “of like name”) + -ία (-ía, abstract noun suffix). By surface analysis, synonym + -y or syn- + -onymy. Doublet of synon... 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 “synonymy”

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

  • The one correct English spelling is S-Y-N-O-N-Y-M-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /sɪˈnɒnəmi/ (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
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