This is the 4114th most frequent Japanese word.
ミカン
Mandarin orange.
'ミカン' refers to the actual fruit, used as the subject of the sentence.
ミカンが机の上にあります。
There is a mandarin orange on the desk.
'ミカン' represents the general idea of mandarin oranges, used as the direct object of expressing preference.
彼女はミカンが好きです。
She likes mandarin oranges.
'ミカン' is used as part of a noun compound ('ミカンジュース') indicating a product derived from the fruit.