Type the spelling words that have prefixes that mean before. Hint: There are seven words.
aforementioned aftermath antediluvian anti-intellectual antislavery antonym biennial
departure descend foreshadow inarticulate inedible interrupt involuntary
non-English nonmember nonnuclear preeminent prehistoric prelude preshrunk
reiterate semiannual subterranean transatlantic transcontinental transmission unfriendly