異 (Kanji for to differ)

Onyomi

I	Ｉ　differ from P.Diddy

A rice field has a difference with a plum field or a mango field.

( ｘｘｘに ) こと*なる	to differ according to xxx (similar to the ol' xxxによって違います） ★★★★☆
( xxxと ) こと＊なる	use と to emphasize that, one thing is very specifically NOT like xxx. ★☆☆☆☆

異常(いじょう) な

abnormal ★★★☆☆
異 (to differ) + 常 (usual) = 異常 (abnormal)

abnormal (as in 'abnormal psychology')

同音異義語(どうおんいぎご)

homonym ★☆☆☆☆
同 (same) + 音 (sound) + 異 (to differ) + 義 (righteousness) + 語 (language) = 同音異義語 (homonym)

異性(いせい)

the opposite sex ☆☆☆☆☆
異 (to differ) + 性 (sex / essential nature) = 異性 (the opposite sex)