彼処[asoko] there (place physically distant from both speaker and listener)
其処[soko] there (place relatively near listener)
其処いら[sokoira] that area
其処ら[sokora] everywhere
其れ処か[soredokoroka] on the contrary

何処其処[dokosoko] such-and-such a place
何処でも[dokodemo] anywhere
データ処理[deetashori] data processing
仮処分[karishobun] temporary measures
何処か[dokoka] somewhere

アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
パリティ変換[paritihenkan] parity transformation (physics)
異変[ihen] unusual phenomenon
移り変り[utsurikawari] change (e.g. season)
一定不変[itteifuhen] invariable

一風変った[ippuukawatta] eccentric
一変[ippen] complete change
黄変米[ouhenmai] spoiled rice
化学変化[kagakuhenka] chemical change
かな漢字変換[kanakanjihenkan] kana-kanji conversion (on a computer, etc.)