Scholars have found notable similarities between some North American languages and the language of Libya.
- In comparison to other languages, most First Nations languages would be considered complex. Most of the languages spoken were approaching English in their complexity of meaning and structure. Many of the words in First Nations languages have been lost over the years yet some languages still have as many as 30,000 words. English, which is growing daily and has lost few words in the past 500 years, has about 45,000 words in its vocabulary.
- 500 years ago, at least 20 completely different language families formed the roots of more than 600 separate languages in use in North America.