neurons
understand
There are two words that contain two "vs": invests and traverses.
You mean the number words? Thenumber words like o ne, two, ... are not necessarily capitalized because these are not proper nou ns.
There are no two-letter English words that contain the letter "V".
"Banana".
vacuum
Error and structure
wow
mail box
electroencephalographically, ethylenediaminetetraacetate
You don't, because there is no such thing as a nonogon. It is a nonagon. And you could try alternating ns in the two words: nine and nona...
Two words that contain 'polis' are polish and Annapolis (or Indianapolis).
The driving distance between the two is about 142 road miles.