考試 is read as こうし (koushi) and means test.
こうし
koushi
かんがえ
idea
かんがえる
to intend (to do)
かんがえかた
way of thinking
こうこがく
archaeology
かんがえだす
to think out
かんがえてみれば
if you think about it
かんがえちゅう
(in the middle of) considering
かんがえごと
thinking about something
かんがえごとにふける
be absorbed in deep thought
こう
deceased father
かんがえすぎ
overthinking
かんがえつく
to think of