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

震盪[shintou] shock
掃盪[soutou] cleaning up
盪ける[torokeru] to melt (to a liquid)
盪尽[toujin] squander

盪盪[toutou] vast
脳震盪[noushintou] cerebral concussion
眼球振盪[gankyuushintou] nystagmus (rapid involuntary eye movements)
盪す[torokasu] to melt (steel, etc.)