原因【げんいん】
cause, origin, source
死因【しいん】
cause of death
要因【よういん】
main cause, primary factor
本因坊【ほんいんぼう】
Hon'inbō, Honinbo, grandmaster
誘因【ゆういん】
contributing cause, exciting cause, incentive, motive
一因【いちいん】
one cause, one reason, one factor
因果【いんが】
cause and effect, causality, karma, fate, unfortunate, unlucky, ill-fated
敗因【はいいん】
cause of defeat
主因【しゅいん】
primary cause, main factor
因子【いんし】
factor, factor, divisor
因縁【いんねん】
fate, destiny, connection, tie, bond, origin, pretext, justification, hetu and prataya (direct causes and indirect conditions, which underlie the actions of all things)
起因【きいん】
to be caused by, to result from, to arise from, to stem from, to be due to, cause, origin
勝因【しょういん】
cause of victory, reason for (one's) success
遠因【えんいん】
remote cause, underlying cause, indirect cause
因習【いんしゅう】
convention, tired tradition, old custom
素因【そいん】
basic factor, (medical) predisposition, diathesis
病因【びょういん】
the cause of a disease