未来：みらい； the future
将来：しょうらい： a specific person's future (i.e. the dumb interview question, "What do you see yourself doing 10 years from now?") Also sometimes used with Japan's future.
以前：いぜん： before that
以降：いこう：since then ???
以来：いらい： since then???
以後：いご；from now on