因: cause

因 yīn

verb
: cause; because; reason

因 | よすが yosuga

noun
: something to rely on; aid; clue; way; means
: someone to rely on; relative
: reminder; memento

因る | よる yoru

godan verb with ru ending | intransitive verb
: (Usually written using kana alone) to be due to; to be caused by
: to depend on; to turn on
: to be based on; to come from

因む | ちなむ chinamu

godan verb with mu ending | intransitive verb
: to be associated (with); to be connected (with)

因みに | ちなみに chinamini

godan verb with mu ending | intransitive verb
: (Usually written using kana alone) by the way; in this connection; incidentally; in passing

因って | よって yotte

conjunction
: (Usually written using kana alone) therefore; consequently; accordingly; because of

因為[为] yin1wei4: because; owing to; on account of

因此 yin1ci3: thus; consequently; as a result

因素 yin1su4: element; factor

因而 yin1’er2: therefore; as a result; thus; and as a result

因果 yin1guo3: karma; cause & effect [いんが inga]

因緣[缘] yin1yuan2: chance; opportunity; predestined relationship; (Buddhist) principal and secondary causes; chain of cause and effect
[因縁 | いんねん innen OR いんえん inen: fate; destiny
: connection; tie; bond; origin
: pretext; justification
: (Buddhist term) hetu and prataya (direct causes and indirect conditions, which underlie the actions of all things)]

原因 yuan2yin1: cause; origin; root cause; reason
[げんいん genin]

死因 si3 yin1: cause of death
[しいん shiin]

主因 zhu3yin1: main reason
[しゅいん shuin: primary cause; main factor]

因父之名 yin1 fu4 zhi1 ming2: in the Name of the Father (in Christian worship)

Japanese common word / expression
因をなす | いんをなす in o nasu
: to give rise to; to cause

因果応報 | いんがおうほう inga ouhou
: retribution; retributive justice; karma; just deserts; poetic justice; reward and punishment for one’s past behavior

因果因縁 | いんがいんねん inga innen
: cause and effect; karma; retribution; an evil cause producing an evil effect

悪因悪果 | あくいんあっか akuin akka: sowing and reaping evil

親の因果が子に報う | おやのいんががこにむくう oya no inga ga ko ni mukuu
: The father’s sins will be visited upon the children

Chinese expression / idiom
因孕而婚 yin1 yun4 er2 hun1
: shotgun wedding

因材施教 yin1 cai2 shi1 jiao4
: to teach in line with the student’s ability

空穴來風未必無因 [空穴来风未必无因] kong4 xue2 lai2 feng1 wei4 bi4 wu2 yin1
: wind does not come from an empty cave without reason; there’s no smoke without fire