茜差す空[akanesasusora] glowing sky
一差し[hitosashi] dance
雲泥の差[undeinosa] wide difference
仮差押[karisashiosae] provisional seizure
価格差[kakakusa] price margin

格差[kakusa] qualitative difference
確率誤差[kakuritsugosa] random error
目差[manazashi] (a) look
僅差[kinsa] narrow margin
僅少差[kinshousa] narrow majority

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)