人違え

ひとちがえ

mistaken identity, person so changed that it's hard to recognize him (recognise)

違える

ちがえる たがえる

to change, to alter

間違え

まちがえ

mistake, error, blunder

寝違え

ねちがえ

kink in one's neck, sprained neck.

差違え

さしちがえ

overruling referee's decision of bout outcome

方違え

かたたがえ

setting off the night before one normally would have departed, travelling in a different direction, spending the night there, and leaving for one's destination in the morning (done to avoid travelling in an unlucky direction; a common practice during the Heian period)

数え違える

かぞえちがえる

to miscount, to count wrongly (e.g. pages)

夢の夢

dream within a dream; (beyond) one's wildest dreams; entirely unrealizable dream; pie in the sky

夢

ゆめ

dream

間違える

まちがえる

to make a mistake (in), to commit an error (e.g. in calculation)

取り違え

とりちがえ

mix-up, mistake

寝違える

ねちがえる

to sleep in an awkward position and wake with a crick in one's neck

見違える

みちがえる

to be beyond recognition, to be quite different

考え違い

かんがえちがい

mistaken idea, misunderstanding, wrong impression

覚え違い

おぼえちがい

misremembering; remembering incorrectly; mistaken memory

読み違え

よみちがえ

misreading

夢のまた夢

ゆめのまたゆめ

beyond one's wildest dreams, dream within a dream

夢の中の夢

ゆめのなかのゆめ

A Dream Within a Dream (1849 poem by Edgar Allan Poe)

言い違える

いいちがえる

to say by mistake, to make a slip of the tongue