"Gravitas" should not be confused with "gravity" not in the sense of importance, although they have a common etymology, coming from the Latin for weightiness.
The nar- and tar- forms share a common etymology.
However, he suggested a common Germanic etymology for the names Kainuu and Kvenland.
However, due to shifts in ecological niches of words, a common etymology is sometimes misleading as a guide to current meaning in one or the other language.
Little Ilford and Great Ilford have a common etymology.
One of the most common etymologies for Cheyenne is "a bit like the [people of an] alien speech" (literally, "red-talker").
In this case, it may be derived from a name for the sun, although that too may share a common etymology with aureus.
The area of Hong Kong called Kowloon shares a common etymology.
The most common etymology is that meaning meadow (larre) of the he-goat (aker).
However, it has been suggested these terms do not share a common etymology.