阿鼻叫喚[abikyoukan] agonizing cries
叫く[wameku] to shout
泣叫ぶ[nakisakebu] to cry and shout
叫び[sakebi] shout
叫び声[sakebigoe] shout

叫ぶ[sakebu] to shout
叫換[kyoukan] shout
叫号[kyougou] crying aloud
絶叫[zekkyou] exclamation
雄叫び[otakebi] war cry

アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
データ交換[deetakoukan] data exchange
パリティ変換[paritihenkan] parity transformation (physics)
メール交換[meerukoukan] exchange of letters
意見交換[ikenkoukan] exchange of ideas

引換て[hikikaete] on the contrary
下位互換性[kaigokansei] downward compatibility
かな漢字変換[kanakanjihenkan] kana-kanji conversion (on a computer, etc.)
可換群[kakangun] Abelian group
賀詞交換[gashikoukan] New Year greetings (parties)