What factors affect the number of synonyms a language has?

I'd like to leave aside sign languages for this question. When the production of a given sign can be varied in 3-D space, not a lot of synonyms are needed.

Does English, which borrows and anglicizes loanwords galore and was spoken throughout a worldwide empire, have more synonyms than Danish, which is spoken over a smaller territory?

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    What do you mean by "synonym"? Words which have exactly the same sense only, or words which have basically the same sense but differin nuance? For instance "shade" and "shadow" are not even synonyms in English yet most European languages have just one word covering the sense and nuances of both. Jul 25, 2013 at 6:18
  • Perhaps homonym is meant. There are factors that affect homonymy, like syllable structure. Chinese has so many homonyms because there are simply very few monosyllables available.
    – jlawler
    Jul 25, 2013 at 14:06
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    Well, I meant words with very similar meanings, such as father, dad, & daddy. Could synonyms be words with the same set of referents but with different meanings? Could they be words with the same denotations but different connotations? Jul 26, 2013 at 5:59
  • @JamesGrossmann: It's really best to include your clarifications into your question for future readers. These comments are ephemeral by nature. Jul 29, 2013 at 3:47

1 Answer 1


Factors that might lead to the emergence of synonyms include

  • Language contact
  • Specialised vocabulary for particular fields (medicine, law, hip hop culture, ...)
  • Vibrant literature, particularly poetry
  • Geographical dispersion/dialect diversity

1. Language contact

Language contact often leads to the borrowing of words. While these might fill a lexical gap, they often do not. For example, in German (and probably other languages, too) it is now not unknown to hear people use the words happy or nice, for which native equivalents exist.

2. Specialised vocabulary

Particular communities, such as lawyers, fishing enthusiasts or those involved in hip hop culture, often have specialised vocabulary that in many cases can have synonyms in general usage.

3. Vibrant literature/poetry

Creative writing has a tendency to invent new words to avoid the repetition of the same word, or words beginning in the same sound, or for words to end in the same sound/syllable (to produce a rhyme). Arabic literature, for example, vaunts itself as a creator of many synonyms, such as 99 ways of referring to Allah.

4. Geographical dispersion/dialect diversity

As you pointed out in the question, geographical dispersion might play a role. Language communities that are separated by geographical barriers such as a mountainside or sheer distance tend to diverge. Because of this divergence words might take on new meanings or new words might come up that then are synonyms of other words used in another community speaking another dialect.

Problems with the definition of synonym

As others pointed out in the comments determining what is a synonym is not trivial. Two words might be interchangeable in one context, but not in another. In other cases the lexical meaning of two words might be equivalent, but they belong to different registers (formal and colloquial), such as man and guy.

Associated with this is a tendency of languages/communities of speakers to not tolerate complete synonyms. Soon enough, they diverge in meaning or gain different connotations. For example, after the Norman Conquest many French words were borrowed into English. The word sheep derives from a Germanic root, and mutton from a Romance root. The contemporary French word mouton means sheep, but after it was borrowed into English lexical specialisation set in and it came to mean the meat, not the animal itself - presumably because only the French-speaking elite could afford to eat meat and the English-speaking peasantry was involved in raising the animals (There is a contrasting view which holds that the lexical distinction evolved later, but it isn't a problem for the argument that lexical distinctions arise after time - thanks to @hippietrail for the link).

Problems with determining which words belong to a language

The number of synonyms (however you define synonym) you count in a language depends on which words you think belong to that language. Cases that might be contentious include specialised vocabulary and loan words. Specialised vocabulary is often known only to the community that uses it, so you might want to exclude it from the vocabulary of the language since it is only known to a select group. On the other hand, there are bilingual dictionaries for many of these communities/fields which point to the fact that these words do have to belong to some language.

Loan words might after some time be considered to become part of a language, and in many cases are not transparent as loan words any more after some time. However, happy and nice are still transparent in German as loan words from English. I suppose many native speakers of German would not consider them German words, despite the fact that speakers with little or no knowledge of English might use and understand them, which suggests they have become a part of the German language.

In conclusion, these two problems will give rise to some methodological headaches when you actually want to count synonym pairs in a language.

  • Other factors would include (and some of these will overlap): regionalisms lorry vs truck, pacifier vs dummy, spanner vs wrench, foothpath vs sidewalk vs pavement; long vs short forms such as omnibus vs bus, lane vs laneway, amplifier vs amp. Changes over history or fashion: gramophone vs record player vs stereo, wireless vs radio, looking glass vs mirror, spyglass vs telescope, Others are harder to categorize like cab vs taxi vs taxicab, singlet vs wifebeater vs vest vs waistcoat, bug vs insect, tin vs can, cup vs mug, hat vs cap, penknife vs pocketknife, string vs thread, cloth vs fabric ... Jul 29, 2013 at 4:07
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    I thought I had recently read a challenge to the story of French words for meat vs Germanic for livestock. The best I could currently find: However, the distinction made by Walter Scott in Ivanhoe , and often since repeated as a truism, does not withstand historical scrutiny ... Jul 29, 2013 at 4:31

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