deduction (suomeksi)

deduktio (s: process of reasoning)
vähennys (s: that which is subtracted or removed / sum that can be removed from tax calculations)
verovähennys (s: sum that can be removed from tax calculations)
päättely (s: process of reasoning)
päätelmä (s: conclusion)
johtopäätös (s: conclusion)
päättelykyky (s: ability or skill to deduce)