Klahowya is hello-goodbye-nice to see you-see you later, etc.

Mowitch is deer.

Chinook was a trading jargon used throughout the northwest from fur trade days to the 1940s and 50s. Still survives in bits here and there.

Tons of Chinook dictionaries at http://www.multilingualbooks.com/onlinedicts-nativeamerican.html