夷国[ikoku] land of the barbarians
夷人[ijin] barbarian
夷俗[izoku] customs of the barbarians
夷狄[iteki] barbarians

蝦夷[ezo] peoples formerly of northern Japan with distinct language and culture (i.e. the Ainu)
勤皇攘夷[kinnoujoui] loyalty to the emperor and expulsion of the foreigners
蕃夷[bani] savages
攘夷[joui] expulsion of the foreigners

羽振り[haburi] plumage
下げ振り[sagefuri] plummet
加振[kashin] excitation
割振り[warifuri] assignment
割振る[warifuru] to assign

久し振りに[hisashiburini] after a long time
久し振り[hisashiburi] a long time (since the last time)
久方振り[hisakataburi] long time (since the last time)
共振[kyoushin] resonance
勤め振り[tsutomeburi] assiduity

カバー曲[kabaakyoku] remake of another artist's song (a "cover")
サイン曲線[sainkyokusen] sinusoid
愛唱曲[aishoukyoku] favourite song
委曲[ikyoku] details
一曲[ikkyoku] tune (melody, piece of music)

迂曲[ukyoku] meander
円曲[enkyoku] roundabout way (of speaking or working)
円錐曲線[ensuikyokusen] conic curve
円舞曲[enbukyoku] waltz (composition)
演曲[enkyoku] musical program

鄙見[hiken] my humble opinion
鄙語[higo] vulgar expression
鄙賤[hisen] low class
鄙俗[hizoku] vulgarity
鄙劣[hiretsu] mean

鄙猥[hiwai] indecent
辺鄙[henpi] hard to reach place
野鄙[yahi] vulgar
鄙びる[hinabiru] to become rustic