try this site whenever you need to know an English->Japanese word.
http://www.freedict.com/onldict/jap.HTML
but I'll save you some time:
Luna is a latin term, so you'll have to use moon, which is tsuki.
Hana.
nope
Gorira
Doku (毒)
薔薇 bara
if by "bi" you mean bye? then "sayonara" is the word.
本, it is said "Hon"
luna(moon)
ルナ ru・na [pronounced as Luna]
Moon
Luna is the Latin word for "moon."
"Luna" is the Latin word for "moon."