NO NICKNAME NAMES. I can always find a good nickname in any name. My partner's mom named her sons to have no nicknames: Jason is now Jay or Jase and Branden is B or Denny, etc. But if you want a name that will usually be said in full (no obviously accessible pet forms for people to pluck out of thin air), try starting with these.
Offbeat Nature Baby Names List for Boys and Girls. I have so many more, like the wonderful Moss. I'll have to do a sequel. :) Any favorites you'd like to suggest for the second edition? (Thanks for pointing out the errors, but these are just made by me for fun and are free for you, so sometimes there will be little mistakes--one is out of order, and Nova appears twice. Eucalypt was intentional, although Eucalyptus is also nice.):