SUMAC
eland
Names of shrubs whose n ame ends 'endron'
Militia
nettle
A three letter African antelope is the "gnu", which ends in a "u" not a "you". The more common name for the gnu is the wildebeeste, but that won't fit into your crossword puzzle.
Is this a crossword clue? It could be any -ing verb beginning with n such as niggling nothing is what you're going for but also negotiating, nudging, nibbling, netting and so on...
There are no countries containing only 8 letters and beginning with the letter g.
A word that begins and ends with the letters he: headache. heartache.
saga
There are countries that end in the letters and. However, no country ends in the letters sand.
atone
If you read the crossword diagonally you'll find it's actually which "game" ends in check mate not"goo dale"...