Not sure but some one who uses a fishing pole is called an "angler."
Another common term for fishing is angling.
Fishermen are sometimes called anglers, so another name for fishing could be angling.
Angling
there is none. maybe on another planet, but not on earth
A dory is one such boat.
Maybe an adder?
Wartburg maybe !
ned or maybe nellie
Atmosphere
intriguing
Their is not another name for HIV that starts with an R. That said, HIV is a type of retrovirus. That is probably the word you are looking for.
Rubella is another name for German measles.