How to spell FURTHEER correctly?
Possible correct suggestions for the misspelling "furtheer" are: "further", "farther", and "firthier". The correct word choice would depend on the context of the sentence. "Further" means to a greater extent or degree, whereas "farther" refers to a greater physical distance. "Firthier" is a less commonly used word that means more like a firth, which is a narrow inlet of the sea.