This is the 6646th most frequent Japanese word.
ネクタイ
Necktie.
ネクタイ (tie) is used as the direct object of the verb 買った (bought), indicating he purchased this specific item.
彼は会議のために新しいネクタイを買った。
He bought a new tie for the meeting.
ネクタイ (tie) is used within a descriptive phrase to indicate the subject of her preference.
彼女は赤いネクタイが好きです。
She likes red ties.
ネクタイ (tie) is referred to in this sentence as the subject, being described directly as 'very nice'.