考こう

noun

thought; consideration

Bound noun used mainly in formal or written contexts; not a standalone word for everyday 'thought'. Often appears in compounds like 思考 (thought process) or 参考 (reference).

• 「考こう」という字じは、考かんがえるという意い味みを含ふくんでいる。

  The character 考 includes the meaning of thinking.

noun, used as a suffix

report on one's investigation into ...

Suffix used in academic or formal titles, e.g., 〜考 meaning 'a study of ...' or 'thoughts on ...'. Not productive in everyday speech.

• 彼かれの論ろん文ぶんの題だい名めいは「日本にほん古こ代だい史し考こう」だった。

  The title of his thesis was 'A Study of Ancient Japanese History'.

noun, used as a suffix

deceased father

Rare, archaic suffix used in formal or literary contexts to refer to one's late father, e.g., 先考. Not used in modern conversation.

• 墓ぼ碑ひに「先せん考こう」と刻きざまれているのを見みたことがある。

  I have seen '先考' (deceased father) inscribed on a tombstone.