事故のため電車が遅れました。

N4 事故 jiko accident, incident N5 電車 densha train N3 遅れ okure delay, lag

N4 事 ji, zu / koto, tsuka.u, tsuka.eru matter, thing, fact N1 故 ko / yue, furu.i, moto happenstance, especially, intentionally N5 電 den electricity, électricité, electricidad N5 車 sha / kuruma car, véhicule, voiture N3 遅 chi / oku.reru, oku.rasu, oso.i slow, late, back

N5 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite N4 〜ために tame ni Indicates purpose goal or reason, attaches to a verb or noun, means in order to do or because of something N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase