同窓会に参加した

N5 窓 mado window N3 参加 sanka participation, joining

N4 同 dou / ona.ji same, agree, equal N3 窓 sou, su / mado, tenmado, kemudashi window, pane, fenêtre N4 会 kai, e / a.u, a.waseru, atsu.maru meeting, meet, party N3 参 san, shin / mai.ru, mai-, majiwaru, mitsu nonplussed, three (in documents), going N3 加 ka / kuwa.eru, kuwa.waru add, addition, increase

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action