The term FOE TO FRODO refers to two characters from J.R.R. Tolkien's fantasy novel The Lord of the Rings. The crossword solutions for this term are GOLLUM (6 letters) and ORC (3 letters). Gollum is a slimy creature who was once a hobbit, and he is Frodo's main adversary in the novel. Orcs are a race of evil creatures that serve Sauron, the main antagonist of the novel. Both Gollum and Orcs are enemies of Frodo and his quest to destroy the One Ring.