握り潰し[nigiritsubushi] shelving
胃潰瘍[ikaiyou] stomach ulcer
圧潰す[oshitsubusu] to squash
暇潰し[himatsubushi] waste of time
潰滅[kaimetsu] destruction

潰乱[kairan] corruption (of order, customs, etc.)
丸潰れ[marutsubure] complete ruin
顔を潰す[kaowotsubusu] to make somebody lose face
泣潰す[nakitsubusu] to cry one's eyes out
乗り潰す[noritsubusu] to ride (a horse) to death

人虱[hitojirami] Pediculus humanus (species of louse that infests humans)
頭虱[atamajirami] head louse (Pediculus humanus capitis)
虱潰し[shiramitsubushi] very thorough search (for contraband, escaped convict, etc.) (lit: crushing lice)
毛虱[kejirami] crab louse (Pthirus pubis)
虱潰しに[shiramitsubushini] one by one

羽虱[hajirami] biting louse (any louse of order Mallophaga)
虱目魚[sabahii] milkfish (Chanos chanos)
床虱[tokojirami] bedbug
衣虱[koromojirami] body louse (Pediculus humanus humanus)

壁蝨[dani] tick
蝨潰し[shiramitsubushi] very thorough search (for contraband, escaped convict, etc.) (lit: crushing lice)
蝨潰しに[shiramitsubushini] one by one

家壁蝨[iedani] rat mite
葉壁蝨[hadani] spider mite (any mite of family Tetranychidae)
木蝨[kijirami] psylla (any insect of family Psyllidae)