sycamore
The two words you're looking for are "oak" and "earth." "Oak" is a type of tree, while "earth" refers to the planet we live on. Both words fit the criteria of starting with 'o,' having three letters, and five letters, respectively.
the letters when rearranged make the name of the CEDAR tree
Palm trees
Iroko.
Iroko.
peach pecan
mocorrana
Juniper
Conifer.
Acacia.
Dogwood?
Bole