In Hopi, the name Pakwa means frog. However, I'm not exactly sure whether or not it means frog in any other context.
Which native american? Do you mean in Native American language? Which N.A. language? Not likely there is an exact phrase that means "no regrets" in any N.A. language.
Nothing, since it is not a word in any native American language.
Heiwa (平和) is the Japanese word for peace and has nothing to do with any native American language.
There is not a single Native American language, there are MANY. So there is not just one translation for any word in "Native American." You need to specify what particular Native American language you want the translation in.
Leprechauns are part of Irish mythology and have never featured in any native American culture. There is therefore no word for leprechaun in any native American language.
The name Karri does not mean anything in any language, since it is a modern invented name without any history. Most European names do not have any meaning in any native American language.
Names can not be translated into any native American language.
English names have no meaning in any native American language.
There are several theories about the word "Boise" but none of them trace it to any Native American language.
It means nothing in any native American language, since it is not a word in any of those languages. It derives from Hebrew jeremiah (= exalted of the Lord) and is therefore a Jewish name.
In Dine Bizaad (Navajo): Azhe'e.
depends on the tribe since their is no language called Native American. My tribes don't have any word for it that I know of.