How many of the words we use most go back to Proto-Indo-European, the language spoken about 6,000 years ago? We checked the 200 most frequent words of the Corpus of Contemporary American English (COCA). The answer: almost all of them.
Weighted by how often each word is used, these old roots make up:
COCA lists some words twice for different word classes (that as a conjunction and as a determiner), so its first 200 entries make 182 different words. Each root follows the standard reference works (Watkins, the Oxford tradition); “probable” marks a root that scholars still debate.
We also traced how each word came into English:
| Rank | 🏡 English | ⛵ Norse | 🗼 French | 🏛️ Latin |
|---|---|---|---|---|
| 1–100 | 89 | 6 | 5 | 0 |
| 101–182 | 60 | 3 | 15 | 4 |
| All 182 | 149 (82%) | 9 (5%) | 20 (11%) | 4 (2%) |
Weighted by how often they are used, about 94% of these everyday words come from Old English.
The French words start only around rank 80, and they are words of public life and ideas: people, state, country, problem, question, system, company, student. Four arrived from Latin before 1066: school, family, part, turn.
📈 See our own curve for the top 1,000 words → French and Latin overtake Old English around word 400.
Larger studies show the same pattern. In the 1,000 most common words, about 83% are of English origin; in the 10,000 most common, only about a third are, with 41% French and 15% Latin (Williams 1975). Across a whole dictionary of 80,000 words, French and Latin make up about 28% each, and Germanic only about 25% (Finkenstaedt & Wolff 1973).
| Level | Words mostly from | Easy for… |
|---|---|---|
| A1–A2 (top ~1,000) | 🏡 Old English, ⛵ Norse | German, Dutch and Scandinavian speakers |
| B1–B2 (1,000–5,000) | 🗼 French, 🏛️ Latin take over | French, Spanish, Italian and Portuguese speakers |
| C1–C2, academic | 🏛️ Latin, 🎭 Greek | speakers of Romance languages, and anyone who knows science words |
| Rank | Word | Came from | PIE? | Easy spelling | Scholarly | Note |
|---|
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Frequency: Corpus of Contemporary American English (COCA), top 60,000 lemmas. Origins of larger word lists: Joseph M. Williams, Origins of the English Language (1975); Finkenstaedt & Wolff, Ordered Profusion (1973). Roots: Calvert Watkins, The American Heritage Dictionary of Indo-European Roots; Online Etymology Dictionary; every word checked against Wiktionary (November 2026).