に対して[nitaishite] towards
に対する[nitaisuru] regarding
テロ対策[terotaisaku] anti-terrorist
安全対策[anzentaisaku] safety measure
一対[ittsui] pair

１対一[ichitaiichi] one-to-one
応対[outai] receiving
空対空[kuutaikuu] air-to-air
空対地[kuutaichi] air-to-surface
空対地ミサイル[kuutaichimisairu] air-to-surface missile

ヨガの流行[yoganoryuukou] the cult of yoga
亜流[aryuu] bad second
暗流[anryuu] undercurrent
一次電流[ichijidenryuu] primary current
一流[ichiryuu] first-class

溢流[itsuryuu] overflow
渦流[karyuu] swirling current
押流す[oshinagasu] to wash away
横流し[yokonagashi] diversion into illegal channels
横流れ[yokonagare] flowing into the black market

論う[agetsurau] to discuss
ファジィ理論[fajiiriron] fuzzy theory
意味論[imiron] semantics
異論[iron] different opinion
一元論[ichigenron] monism

一神論[isshinron] monotheism
一般論[ippanron] prevailing view
運命論[unmeiron] fatalism
概論[gairon] introduction
各論[kakuron] item-by-item discussion