に因って[niyotte] according to
に因る[niyoru] by means of
に因れば[niyoreba] according to (quotation)
悪因悪果[akuinakka] sowing and reaping evil
悪因縁[akuinnen] evil destiny

遺伝因子組替え[ideninshikumikae] recombinant gene splicing
一因[ichiin] cause
因みに[chinamini] by the way
因る[yoru] to be due to

所縁[yukari] related to (some person or place)
悪因縁[akuinnen] evil destiny
悪縁[akuen] evil destiny or connection
因縁[innen] hetu and prataya (direct causes and indirect conditions, which underlie the actions of all things)

右縁[uen] right margin
縁の下[ennoshita] under the floor
縁遠い[endooi] unconnected
縁家[enka] related family

謂われ[iware] reason
謂わば[iwaba] so to speak
所謂[iwayuru] what is called
謂う[iu] to say
謂う所の[iutokorono] what is called

過ちて改めざる是を過ちと謂う[ayamachitearatamezarukorewoayamachitoiu] to err and not change one's ways, this is what it is to err (from Analects of Confucius)
謂れない[iwarenai] unjustified
謂れ因縁[iwareinnen] origin
謂れのない[iwarenonai] unjustified