異常【いじょう】
strangeness, abnormality, disorder
異なる【ことなる】
to differ, to be different, to disagree, to vary, to diverge
異議【いぎ】
objection, dissent, protest
異動【いどう】
(personnel) change, transfer, relocation, reassignment, reshuffle
特異【とくい】
unique, peculiar, singular
異性【いせい】
the opposite sex, isomerism
異星人【いせいじん】
alien (from another planet)
異端【いたん】
heresy
異例【いれい】
exceptional, unusual, extraordinary, unprecedented, singular
異論【いろん】
different opinion, objection
異質【いしつ】
different (quality, nature), heterogeneous
異変【いへん】
unusual event, strange occurrence, strange phenomenon, something abnormal, change (for the worse), accident, disaster
変異【へんい】
variation, rogue (something)
異色【いしょく】
unique, distinctive, novel, singular, unusual, special, different color (colour)
驚異【きょうい】
wonder, miracle, amazement, prodigy
異名【いみょう】
another name, nickname, alias, synonym (taxonomy)
異様【いよう】
bizarre, strange, eccentric, odd, queer
異文【いぶん】
variant (in a manuscript or book), part of a text that differs from other versions
異国【いこく】
foreign country
差異【さい】
difference, disparity, gap